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 6320-01-250-0290
NSN 6645-01-415-5982
NSN 5925-01-272-0894
NSN 6645-01-315-2010
NSN 5950-00-484-1686
NSN 5998-00-688-8603
NSN 6650-01-397-6325
NSN 5996-01-050-6910
NSN 5915-01-492-5333
NSN 6150-01-310-2982
NSN 5895-01-602-9701
NSN 5935-01-510-4618