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 2925-01-364-7926
NSN 5960-01-259-3846
NSN 5835-01-566-5462
NSN 5945-00-633-2760
NSN 5935-00-932-2663
NSN 5910-01-236-6733
NSN 5895-01-626-1221
NSN 5895-00-556-2149
NSN 5920-00-484-0377
NSN 5965-00-849-1313
NSN 6135-00-840-6451
NSN 5930-00-975-4248