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 5855-01-132-5139
NSN 5945-01-606-9283
NSN 6620-01-434-3675
NSN 5855-01-451-1163
NSN 5915-01-099-4153
NSN 5835-01-005-8564
NSN 6150-01-197-9063
NSN 5905-00-939-7426
NSN 2925-00-347-7893
NSN 5935-01-557-5514
NSN 6645-00-913-2723
NSN 2925-00-706-5902