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 5915-01-641-1266
NSN 6685-01-441-9378
NSN 5990-00-754-2842
NSN 2925-00-149-0760
NSN 5920-00-030-5712
NSN 5985-00-270-8456
NSN 5915-01-206-5056
NSN 5945-01-386-3135
NSN 6620-01-309-1287
NSN 5985-01-539-3042
NSN 6240-01-578-6227
NSN 5905-01-614-5269