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 6610-00-997-3436
NSN 5985-00-900-9118
NSN 5905-01-205-0897
NSN 5965-01-178-2367
NSN 2925-01-027-1293
NSN 5910-01-537-0532
NSN 5905-00-469-2950
NSN 5895-01-465-0069
NSN 5905-01-026-0781
NSN 5998-00-125-5467
NSN 6610-00-670-7801
NSN 4140-01-500-1187