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 6150-01-025-4755
NSN 5895-00-199-4964
NSN 5935-01-102-1720
NSN 5996-01-485-1424
NSN 5925-00-736-0425
NSN 6645-00-392-8728
NSN 6110-01-447-2770
NSN 5965-01-265-6814
NSN 5905-01-336-6297
NSN 5920-00-842-3099
NSN 5915-01-450-9285
NSN 6240-01-190-5344