MIL-R-83248/2, MILITARY SPECIFICATION: RUBBER, FLUOROCARBON ELASTOMER, HIGH TEMPERATURE, FLUID AND COMPRESSION SET RESISTANT (O-RINGS, CLASS 2, 90 HARDNESS) (27-JAN-1971) [S/S BY SAE-AS3581 AND SAE-AMS7259]

MIL-R-83248/2, MILITARY SPECIFICATION: RUBBER, FLUOROCARBON ELASTOMER, HIGH TEMPERATURE, FLUID AND COMPRESSION SET RESISTANT (O-RINGS, CLASS 2, 90 HARDNESS) (27-JAN-1971) [S/S BY SAE-AS3581 AND SAE-AMS7259]., The purpose of this specification sheet is to set up a standardized part numbering system for o-rings procured to MIL-R-83248, Class 2 (90 +- 5 hardness).