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 6135-00-728-9860
NSN 6150-01-581-5482
NSN 6645-00-150-6526
NSN 5920-00-035-4846
NSN 5855-01-423-1768
NSN 5935-01-245-2499
NSN 6150-01-522-0774
NSN 5975-00-169-0513
NSN 2925-00-570-3037
NSN 5835-01-618-1225
NSN 6650-00-952-4500
NSN 5996-00-487-5777