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 5985-01-487-4984
NSN 6145-01-559-9793
NSN 5975-00-236-0841
NSN 6145-00-724-1789
NSN 5895-00-925-1198
NSN 5920-01-535-5340
NSN 7035-01-627-6614
NSN 5950-01-250-6102
NSN 6685-01-466-6248
NSN 5920-01-157-9471
NSN 5950-00-491-4840
NSN 5950-01-064-1645