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 5960-01-539-1956
NSN 5915-01-555-7885
NSN 6240-01-450-9269
NSN 6105-01-057-2794
NSN 5965-00-959-4910
NSN 5835-01-384-3206
NSN 5925-01-113-8272
NSN 6320-00-149-7570
NSN 5945-00-324-3216
NSN 5935-01-155-5595
NSN 5998-01-556-9028
NSN 5965-01-132-8736