MS28773, MILITARY SPECIFICATION: RETAINER, PACKING, BACK-UP, TETRAFLUOROETHYLENE, STRAIGHT THREAD TUBE FITTING BOSS (04-NOV-1966)

MS28773, MILITARY SPECIFICATION: RETAINER, PACKING, BACK-UP, TETRAFLUOROETHYLENE, STRAIGHT THREAD TUBE FITTING BOSS (04-NOV-1966)., Inactive for new design after 5 September 1997. The requirements for acquiring the product described herein shall consist of this specification sheet and SAE-AS8791.