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 5965-00-267-4173
NSN 2925-00-951-0150
NSN 7035-00-585-2113
NSN 2925-00-263-2714
NSN 6130-01-032-4958
NSN 5975-00-353-5589
NSN 5855-00-165-3093
NSN 6320-01-255-2096
NSN 5915-01-316-6125
NSN 6610-00-629-0088
NSN 6110-01-160-9444
NSN 6130-01-241-9509