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 5975-00-462-9376
NSN 6610-00-822-0308
NSN 5915-00-303-3944
NSN 6145-00-617-4032
NSN 6685-01-444-1496
NSN 6130-01-374-4816
NSN 5975-01-429-8205
NSN 5996-00-703-7776
NSN 6130-00-371-2749
NSN 5985-01-218-5643
NSN 5910-01-262-4729
NSN 6650-01-332-7634