These Backshells confirms to AS/85049 series to intermate with Mil-DTL-MIL-DTL-38999 series III connectors. The shell are available in various shell sizes varying from 9 to 25 . The standard finishes of these accessories are Cadmium with olive drab chromate and Electroless nickel. Other alternate finishes are also available on request.

The back shell are classified as

1. Backnut
2. Strain relief clamp
3. Strain relief clamp environmental type
4. Strain relief clamp with RFI/EMI protection
5. Strain relief clamp with RFI/EMI environment protection
6. Quick tie back shell
7. Heat shrink boot adaptor
8. RFI shield crimp adaptor
9. Banding adaptor.

The back shells are designed and manufactured to meet the specifications of interfacing connectors.