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 6135-01-205-5965
NSN 5910-01-602-3184
NSN 6610-01-188-8163
NSN 6320-01-519-8767
NSN 5910-00-823-1998
NSN 6150-01-296-4906
NSN 2925-01-384-4139
NSN 5920-01-462-3181
NSN 5935-01-569-8417
NSN 6150-01-561-4421
NSN 6130-01-195-3319
NSN 5960-00-091-8729