
TT electronics MIL-DTL-38999 Series III Backshells with Screen Trap™
TTAB MIL-DTL38999 Series III Backshells with Screen Trap™ Backshells provide a simple shield grounding plus effective EMI/RFI & environmental protection.
- AS85049 specification compliant
- No tooling required for assembly
- Excellent environmental sealing
- Effective EMI/RFI protection
- Patented Design

Product Description
TTAB bring you the patented Screen Trap™ MIL-DTL-38999 Series III Backshells, now with the patented Screen Trap™ backshell which provides a simplified method of grounding over all shields.
MIL-DTL-38999 Series III Backshells are designed for high reliability applications, such as defence and aerospace, and provide you with simple assembly, with requirement for tooling, easy repair and extremely effective RFI/EMI and environmental protection. Constructed from durable aluminium with olive drab cadmium plating the connector is secured between a male and female thread providing a good bonding joint plus impressive environmental protection while the fast termination results in lower installation costs than other backshells.
All Screen Trap™ adaptors are capable of terminating single, double or optimised screens making the MIL-DTL-38999 Series III Backshells ideal wherever RFI, EMI, EMP, Tempest or HIRF conditions apply. While simple assembly, fast termination and easy repairs save you time, money and effort while this proven and patented design provides you with peace of mind.
Easy Assembly & Repair
With a simple male & female thread connection MIL-DTL38999 Series III connectors with Screen Trap™ Backshells means incredibly simple assembly with no need for tooling and simple repairs.
Patented Design
Originally designed and proven by TTe New Chapel Electronics the Screen Trap backshell is cover by the following patents GB2427079B, GB2427080B, GB2427081B with other patents pending.
Ideal for High Reliability Applications
Simple but effective Emi/RFI & environmental protection makes these connectors ideal for high reliability applications such as defence and aerospace for such features as landing gear, thermal imaging, missile systems and more.
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Manufacturer Part No | Order Code | Manufacturer / Description | Availability | Price For | Price | Quantity | |
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ABAC1015W21
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2099748 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 21, 180°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 21, STRAIGHT; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:21; Cable Exit Angle:180°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:23.8mm
You previously purchased this product.
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16 in stock + Check Stock & Lead Times 16 in stock for next day delivery (UK stock)
More stock available week commencing 18/12/23 |
Each
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1+ £31.21 £37.45 |
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1
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|
ABAC1013W19
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2099746 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 19, 180°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 19, STRAIGHT; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:19; Cable Exit Angle:180°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:20.6mm
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ABAC1019W23
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2099751 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 23, 180°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 23, STRAIGHT; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:23; Cable Exit Angle:180°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:30.2mm
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ABAC1013W17
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2099745 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 17, 180°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 17, STRAIGHT; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:17; Cable Exit Angle:180°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:20.6mm
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ABAC1009W15
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2099741 |
TT ELECTRONICS / AB CONNECTORS
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No Longer Stocked |
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ABAC1017W21
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2099749 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 21, 180°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 21, STRAIGHT; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:21; Cable Exit Angle:180°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:27mm
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ABAC0705W11
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2099757 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 11, 90°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 11, R/A; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:11; Cable Exit Angle:90°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:7.9mm
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ABAC1007W11
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2099738 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 11, 180°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 11, STRAIGHT; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:11; Cable Exit Angle:180°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:11.1mm
You previously purchased this product.
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11 in stock + Check Stock & Lead Times 11 in stock for next day delivery (UK stock)
More stock available week commencing 01/01/24 |
Each
|
1+ £23.78 £28.54 |
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ABAC0703W09
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2099754 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 9, 90°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 9, R/A; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:9; Cable Exit Angle:90°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:4.7mm
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ABAC0713W19
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2099765 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 19, 90°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 19, R/A; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:19; Cable Exit Angle:90°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:20.6mm
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ABAC0707W11
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2099758 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 11, 90°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 11, R/A; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:11; Cable Exit Angle:90°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:11.1mm
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ABAC0709W15
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2099761 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 15, 90°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 15, R/A; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:15; Cable Exit Angle:90°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:14.2mm
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ABAC0709W13
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2099760 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 13, 90°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 13, R/A; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:13; Cable Exit Angle:90°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:14.2mm
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ABAC0705W09
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2099756 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 9, 90°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 9, R/A; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:9; Cable Exit Angle:90°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:7.9mm
You previously purchased this product.
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ABAC1011W17
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2099744 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 17, 180°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 17, STRAIGHT; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:17; Cable Exit Angle:180°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:17.4mm
You previously purchased this product.
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9 in stock + Check Stock & Lead Times 9 in stock for next day delivery (UK stock)
More stock available week commencing 01/01/24 |
Each
|
1+ £56.27 £67.52 5+ £51.97 £62.36 10+ £46.54 £55.85 25+ £44.84 £53.81 50+ £43.42 £52.10 100+ £42.38 £50.86 More Pricing... |
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Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Min: 1
Mult:
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ABAC0711W15
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2099762 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 15, 90°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 15, R/A; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:15; Cable Exit Angle:90°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:17.4mm
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ABAC1003W09
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2099735 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 9, 180°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 9, STRAIGHT; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:9; Cable Exit Angle:180°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:4.7mm
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ABAC1015W19
![]() |
2099747 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 19, 180°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 19, STRAIGHT; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:19; Cable Exit Angle:180°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:23.8mm
You previously purchased this product.
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25 in stock + Check Stock & Lead Times 25 in stock for next day delivery (UK stock)
More stock available week commencing 18/12/23 |
Each
|
1+ £30.22 £36.26 |
Restricted Item
Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Min: 1
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ABAC1019W25
![]() |
2099752 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 25, 180°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 25, STRAIGHT; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:25; Cable Exit Angle:180°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:30.2mm
You previously purchased this product.
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Available for back order + Check Stock & Lead Times |
Each
|
1+ £78.57 £94.28 5+ £68.75 £82.50 10+ £56.96 £68.35 25+ £51.07 £61.28 50+ £47.14 £56.57 100+ £44.00 £52.80 More Pricing... |
Restricted Item
Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Min: 1
Mult:
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ABAC0707W13
![]() |
2099759 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 13, 90°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 13, R/A; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:13; Cable Exit Angle:90°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:11.1mm
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ABAC1005W09
![]() |
2099736 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 9, 180°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 9, STRAIGHT; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:9; Cable Exit Angle:180°; Connector Body Material:Aluminium Body; Product Range:-; Cabl
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No Longer Stocked |
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ABAC1011W15
![]() |
2099742 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 15, 180°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 15, STRAIGHT; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:15; Cable Exit Angle:180°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:17.4mm
You previously purchased this product.
View in Order History
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11 in stock + Check Stock & Lead Times 11 in stock for next day delivery (UK stock)
More stock available week commencing 18/12/23 |
Each
|
1+ £47.52 £57.02 5+ £46.57 £55.88 10+ £45.62 £54.74 25+ £44.67 £53.60 50+ £43.72 £52.46 100+ £42.77 £51.32 More Pricing... |
Restricted Item
Minimum order of 1 items Multiples of 1 only Please enter a valid quantity Min: 1
Mult:
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ABAC1021W25
![]() |
2099753 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 25, 180°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 25, STRAIGHT; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:25; Cable Exit Angle:180°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:33.3mm
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ABAC0711W17
![]() |
2099763 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 17, 90°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 17, R/A; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:17; Cable Exit Angle:90°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:17.4mm
You previously purchased this product.
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ABAC1017W23
![]() |
2099750 |
Connector Backshell, Backshell, MIL-DTL-38999 Series III Connectors, 23, 180°, Aluminium Body TT ELECTRONICS / AB CONNECTORS BACKSHELL, 38999, SIZE 23, STRAIGHT; Accessory Type:Backshell; For Use With:MIL-DTL-38999 Series III Connectors; Connector Shell Size:23; Cable Exit Angle:180°; Connector Body Material:Aluminium Body; Product Range:-; Cable Diameter Max:27mm
You previously purchased this product.
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