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 6110-01-063-7423
NSN 5930-00-462-3340
NSN 5930-01-097-0211
NSN 5935-01-127-0795
NSN 6610-01-444-1490
NSN 5920-00-216-8665
NSN 5985-01-088-6193
NSN 5920-01-310-8120
NSN 6135-01-449-0625
NSN 5960-00-938-1193
NSN 6145-01-237-9481
NSN 5920-01-278-0600