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 5985-01-401-5387
NSN 5920-00-156-9230
NSN 5996-01-216-6410
NSN 6620-00-416-4131
NSN 5925-01-032-1827
NSN 5915-00-688-9124
NSN 5920-00-288-5849
NSN 4140-00-111-3247
NSN 6685-00-116-4895
NSN 6240-01-365-4529
NSN 5998-01-599-0925
NSN 6650-00-213-7065