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 6110-01-051-6398
NSN 6320-01-470-6826
NSN 5996-00-914-8664
NSN 6240-01-170-7340
NSN 6650-00-918-3414
NSN 2925-00-408-9829
NSN 6135-01-443-4484
NSN 5960-01-283-2281
NSN 7035-01-426-4133
NSN 6320-01-414-7099
NSN 6650-00-569-1762
NSN 6240-00-309-7767