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 7035-00-908-4933
NSN 6645-01-452-6760
NSN 6685-01-117-4806
NSN 6685-01-659-0885
NSN 6110-01-219-3446
NSN 5975-00-472-7778
NSN 5975-00-990-7024
NSN 5996-00-179-9583
NSN 6150-01-117-4773
NSN 5935-01-580-5795
NSN 6130-01-362-8074
NSN 5975-01-422-7678