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 5910-01-286-7016
NSN 6220-01-608-9546
NSN 6610-00-938-6567
NSN 5945-00-476-7100
NSN 7035-01-633-9537
NSN 6135-00-505-0679
NSN 6650-00-197-7563
NSN 5925-01-250-1492
NSN 6620-01-322-8382
NSN 5895-00-882-8855
NSN 5950-01-262-0973
NSN 6620-01-468-9288