MIL-C-81251 (NOTICE-1), MILITARY SPECIFICATION: CLOTH, SILICA, PHENOLIC IMPREGNATED (20-MAY-1992)

MIL-C-81251 (NOTICE-1), MILITARY SPECIFICATION: CLOTH, SILICA, PHENOLIC IMPREGNATED (20-MAY-1992)., Inactive for new design and only used for replacement purposes.