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 5855-01-446-8848
NSN 6145-01-486-1367
NSN 6135-01-190-2628
NSN 5975-00-583-8625
NSN 6220-01-449-5814
NSN 5935-01-436-2295
NSN 5985-00-731-8680
NSN 6220-00-808-3655
NSN 6220-01-341-5322
NSN 6620-00-100-4517
NSN 5996-01-255-9245
NSN 5945-01-071-7647