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 6650-01-492-5263
NSN 5998-01-401-5396
NSN 5996-01-194-1719
NSN 6220-01-149-3829
NSN 5920-01-548-0094
NSN 7035-01-101-5111
NSN 5930-01-541-0022
NSN 6620-01-202-1703
NSN 6110-00-287-3235
NSN 5975-00-500-0166
NSN 5960-01-318-6557
NSN 5915-00-520-3752