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 7035-00-337-8745
NSN 5975-01-052-7661
NSN 5895-01-076-9264
NSN 5920-01-608-3201
NSN 2925-01-588-3507
NSN 5960-01-219-5504
NSN 5925-00-186-0765
NSN 5998-01-634-0604
NSN 6620-01-209-6909
NSN 6145-01-256-1080
NSN 5960-00-231-2803
NSN 5930-01-642-2853