A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 6150-00-826-8149
NSN 5990-01-027-8260
NSN 5950-00-008-6499
NSN 5950-00-116-1951
NSN 6685-00-517-7132
NSN 5930-01-604-3433
NSN 5910-00-936-8103
NSN 5965-00-486-7907
NSN 7035-00-104-7613
NSN 6110-00-959-3386
NSN 5999-01-418-9149
NSN 5950-00-549-1294