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 5925-00-941-4995
NSN 6620-01-048-4145
NSN 6110-01-111-8762
NSN 5985-00-288-6001
NSN 5945-00-145-5438
NSN 6650-01-629-9480
NSN 5920-01-248-9835
NSN 5998-01-453-7644
NSN 6645-01-422-1374
NSN 5855-01-651-3794
NSN 6220-01-132-4575
NSN 5915-00-452-2227