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 7035-00-541-8516
NSN 6130-00-201-6600
NSN 6145-01-556-6896
NSN 6320-01-173-7950
NSN 5996-01-432-0117
NSN 6685-01-320-0856
NSN 5965-00-275-0491
NSN 5996-01-053-1617
NSN 5945-01-053-1643
NSN 5905-01-503-6393
NSN 7035-01-138-3698
NSN 2925-00-964-7128