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 6105-01-631-8747
NSN 5835-01-286-6499
NSN 5905-00-866-4742
NSN 6105-01-188-7292
NSN 6645-01-137-1684
NSN 6685-01-539-2329
NSN 5855-00-446-5921
NSN 5935-01-416-1235
NSN 6135-01-416-3181
NSN 6150-00-734-8917
NSN 5855-00-973-5717
NSN 6620-01-265-1757