MIL-R-83412/1, MILITARY SPECIFICATION: RUBBER, ETHYLENE-PROPYLENE, HYDRAZINE RESISTANT, O-RINGS SIZES AND TOLERANCES (17 JUL 1979) [S/S BY SAE-AMS-R-83412/1].
MIL-R-83412/1, MILITARY SPECIFICATION: RUBBER, ETHYLENE-PROPYLENE, HYDRAZINE RESISTANT, O-RINGS SIZES AND TOLERANCES (17 JUL 1979) [S/S BY SAE-AMS-R-83412/1].