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 5975-00-175-6696
NSN 5990-00-155-2306
NSN 5935-00-226-6845
NSN 5985-00-773-3060
NSN 5990-01-411-5930
NSN 5950-00-179-2358
NSN 6610-01-193-8861
NSN 6645-00-106-0140
NSN 5965-01-250-3214
NSN 5990-00-191-6290
NSN 6145-01-310-6889
NSN 5920-01-386-5798