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 6645-01-012-0424
NSN 5960-01-475-7428
NSN 6110-01-098-8273
NSN 5905-00-529-0508
NSN 6685-00-821-3046
NSN 6150-01-442-2684
NSN 6105-01-170-1118
NSN 5945-00-688-6627
NSN 6130-00-528-7838
NSN 5920-01-166-1760
NSN 5925-01-478-1110
NSN 5930-00-182-1437