MIL-R-25897E (NOTICE 2), MILITARY SPECIFICATION: RUBBER, FLUOROCARBON ELASTOMER, HIGH-TEMPERATURE, FLUID RESISTANT (25-SEP-1980) [S/S BY MIL-R-83248]
MIL-R-25897E (NOTICE 2), MILITARY SPECIFICATION: RUBBER, FLUOROCARBON ELASTOMER, HIGH-TEMPERATURE, FLUID RESISTANT (25-SEP-1980) [S/S BY MIL-R-83248].