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 6645-01-415-6093
NSN 5999-01-048-0692
NSN 5835-01-442-6079
NSN 7035-01-106-3476
NSN 5965-00-222-7394
NSN 6130-00-123-7959
NSN 6135-01-510-4663
NSN 5975-00-527-9656
NSN 6620-00-999-2425
NSN 5855-00-079-2370
NSN 6150-00-557-5338
NSN 5965-01-534-6396