Shipboard Plug with 45° EMI/RFI Backshell — MIL-DTL-28840, Key 1

Specifications

Part Number Decode

M28840/29 combines two accessory functions in one part: the 45° bend of the strain-relief backshell and the full shield termination of the EMI/RFI build. On the /29 the plug body is marked M28840/16 and the backshell M28840/9. Because the address field after the shell and arrangement carries both the backshell size designator and the backshell style letter, a /29 can be ordered in EMI environmental (A) or plain environmental (B) form against the same slash sheet.

Fully intermateable and interchangeable with any qualified MIL-DTL-28840 connector. The EMI backshell is a QPL accessory and does not alter the mating interface.

Cross-Brand Compatibility

Choosing the /29 rather than a /19 plus a separate shield adapter is the right call when the cable is individually shielded and the shield must be terminated to the shell at the plug. Where the shield is terminated at the receptacle instead, the plain environmental backshell is sufficient and cheaper. Airoadcon supplies the full M28840 slash-sheet range including the /9 and /6 backshells.