MIL-R-900E, MILITARY SPECIFICATION: RUBBER GASKET MATERIAL, 45 DUROMETER HARDNESS (03 NOV 1966) [S/S BY MIL-PRF-900F]

MIL-R-900E, MILITARY SPECIFICATION: RUBBER GASKET MATERIAL, 45 DUROMETER HARDNESS (03 NOV 1966) [S/S BY MIL-PRF-900F]., This specification covers rubber gasket material for watertight and airtight closures, in the temperature range of -20 Deg. to 130 Deg. F (-28.9 Deg. to 54.4 Deg. C), and other uses.