MS28775E (NOTICE-1), MILITARY STANDARD: PACKING, PREFORMED, HYDRAULIC, +275 DEG. F ("O" RING) (15-NOV-1989) [S/S BY SAE-AS28775]

MS28775E (NOTICE-1), MILITARY STANDARD: PACKING, PREFORMED, HYDRAULIC, +275 DEG. F ("O" RING) (15-NOV-1989) [S/S BY SAE-AS28775]., MS28775 is inactive for new design and is no longer used by the Department of Defense except in procurement of replenishment spares as necessary to maintain equipment in the field until obsolescence or wear out. Future designs should use MIL-P-83461/l, Packing, Preformed, Petroleum Hydraulic Fluid Resistant, Improved Performance at 275 DEG F (135 DEG C) Sizes and Tolerances.