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 5935-00-358-3950
NSN 5935-01-600-3408
NSN 5998-01-174-4325
NSN 5910-01-541-5490
NSN 2925-00-088-6790
NSN 5915-01-334-7440
NSN 2925-01-474-3363
NSN 5905-01-481-3040
NSN 6685-01-069-6676
NSN 6610-01-606-8788
NSN 5950-01-603-1584
NSN 5960-01-290-6919