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 5835-01-442-6482
NSN 5999-00-473-3551
NSN 5925-01-076-4458
NSN 5930-01-634-0659
NSN 5985-00-071-7843
NSN 5985-00-982-0370
NSN 5965-01-217-7167
NSN 6135-01-125-4867
NSN 2925-01-372-9455
NSN 6105-01-553-1866
NSN 6220-01-146-4469
NSN 6320-00-809-5744