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 5910-01-003-0876
NSN 6145-01-314-4006
NSN 6645-01-560-9339
NSN 5990-00-170-9553
NSN 5998-00-283-5309
NSN 6110-01-038-4131
NSN 5920-01-074-6865
NSN 5925-00-205-2767
NSN 5835-00-419-0575
NSN 5910-00-012-2865
NSN 5930-01-137-8520
NSN 6130-01-445-6073