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 6110-00-977-8534
NSN 4140-01-435-5002
NSN 6130-01-040-3102
NSN 5950-00-353-5382
NSN 5985-01-414-4682
NSN 6685-01-507-0605
NSN 5930-01-414-6937
NSN 6240-01-371-3020
NSN 5935-00-350-2028
NSN 6240-01-439-3514
NSN 6220-01-106-2424
NSN 6645-00-359-5463