MIL-PRF-1149D, PERFORMANCE SPECIFICATION: GASKET MATERIALS, SYNTHETIC RUBBER, 50 AND 65 DUROMETER HARDNESS (10-JUN-1998) [SUPERSEDING MIL-G-1149C]

MIL-PRF-1149D, PERFORMANCE SPECIFICATION: GASKET MATERIALS, SYNTHETIC RUBBER, 50 AND 65 DUROMETER HARDNESS (10-JUN-1998) [SUPERSEDING MIL-G-1149C]., This specification covers vulcanized synthetic rubber gasket materials of nominal 50 and 65 durometer hardness.