MIL-PRF-900F (NOTICE 1), PERFORMANCE SPECIFICATION: RUBBER GASKET MATERIAL, 45 DUROMETER HARDNESS (27 MAR 1991)

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