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 6105-01-091-7461
NSN 5895-01-139-1539
NSN 5895-01-449-2804
NSN 6645-01-031-6402
NSN 6685-01-624-4585
NSN 5935-01-424-8974
NSN 6135-01-051-7836
NSN 5996-01-430-4258
NSN 5985-00-678-3648
NSN 5895-01-310-4915
NSN 6105-00-014-6790
NSN 5855-01-187-2293