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 6130-01-205-2640
NSN 5925-00-792-9073
NSN 5950-01-529-7715
NSN 6145-01-366-8205
NSN 5935-00-937-9451
NSN 6645-01-562-1351
NSN 6620-00-193-9503
NSN 6685-01-582-2487
NSN 5996-01-093-9259
NSN 5905-01-412-9147
NSN 5945-01-644-0452
NSN 5915-01-571-9025