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 6610-01-238-8712
NSN 6620-01-083-4672
NSN 5945-01-507-1478
NSN 5910-01-014-5488
NSN 6150-00-989-2169
NSN 7035-00-215-3272
NSN 6130-01-537-0280
NSN 6650-01-497-5782
NSN 6645-01-217-8809
NSN 6610-00-864-4730
NSN 5945-01-647-8625
NSN 5975-01-534-7115