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 7035-00-111-4389
NSN 2925-01-167-6500
NSN 5925-00-035-8469
NSN 5998-01-443-2885
NSN 5935-01-139-4344
NSN 5950-00-217-0972
NSN 5905-01-549-1439
NSN 5925-01-115-9719
NSN 6650-01-601-8194
NSN 6135-01-458-3851
NSN 6685-01-463-9153
NSN 6610-01-044-4740