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 6685-00-835-5201
NSN 6240-01-623-7933
NSN 5930-01-307-5808
NSN 6130-01-155-3137
NSN 5998-01-355-3890
NSN 5910-01-380-6420
NSN 7035-00-731-8729
NSN 5915-01-135-4794
NSN 7035-00-981-7216
NSN 6150-01-038-9951
NSN 6645-01-579-6304
NSN 6130-01-559-8397