MIL-P-83461/1B, MILITARY SPECIFICATION: PACKING, PREFORMED, PETROLEUM HYDRAULIC FLUID RESISTANT IMPROVED PERFORMANCE AT 275 DEGREE F (135 DEGREE C) SIZES AND TOLERANCES (08-MAY-1989) [S/S BY SAE-AMS-P-83461/1]

MIL-P-83461/1B, MILITARY SPECIFICATION: PACKING, PREFORMED, PETROLEUM HYDRAULIC FLUID RESISTANT IMPROVED PERFORMANCE AT 275 DEGREE F (135 DEGREE C) SIZES AND TOLERANCES (08-MAY-1989) [S/S BY SAE-AMS-P-83461/1]., The purpose of this specification is to set up a standardized part numbering system for O-rings procured to MIL-P-83461.