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 5905-01-462-6717
NSN 6240-01-512-3256
NSN 5910-01-045-9236
NSN 5998-00-312-3060
NSN 6150-01-330-7802
NSN 6105-01-125-2358
NSN 5905-01-026-0781
NSN 6645-01-199-6057
NSN 5996-00-864-6711
NSN 6130-00-466-9888
NSN 6135-00-351-8606
NSN 6620-01-481-1358