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 6320-01-157-4400
NSN 5895-00-497-4903
NSN 5925-01-391-9019
NSN 5960-01-225-6036
NSN 5915-01-340-1899
NSN 6320-01-087-7962
NSN 5990-00-503-4724
NSN 5915-01-592-4639
NSN 5965-00-849-1313
NSN 5930-00-140-4334
NSN 5998-01-190-4288
NSN 6220-00-197-0462