MIL-R-900F (NOTICE 1), MILITARY SPECIFICATION: RUBBER GASKET MATERIAL, 45 DUROMETER HARDNESS (27 MAR 1991) [S/S BY MIL-PRF-900F]

MIL-R-900F (NOTICE 1), MILITARY SPECIFICATION: RUBBER GASKET MATERIAL, 45 DUROMETER HARDNESS (27 MAR 1991) [S/S BY MIL-PRF-900F]., MIL-PRF-900F, dated 30 March 1973, has been reviewed and determined to be valid for use in acquisition.