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 6105-00-538-8341
NSN 5999-01-131-2718
NSN 5905-00-196-2986
NSN 6320-00-445-1187
NSN 6145-01-340-1305
NSN 5910-01-006-2425
NSN 5915-01-435-5275
NSN 6135-01-378-3331
NSN 6620-00-643-1402
NSN 6610-00-930-1249
NSN 5945-00-754-5875
NSN 6320-00-695-3891