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 5855-01-597-1836
NSN 6610-00-353-5461
NSN 5855-00-014-5008
NSN 5855-01-517-7325
NSN 6620-01-198-4468
NSN 6620-00-422-5866
NSN 5985-01-111-1005
NSN 6620-01-239-7671
NSN 5965-00-783-8239
NSN 5935-01-364-0521
NSN 5915-00-449-1454
NSN 5925-01-180-9353