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 6610-00-371-5953
NSN 5960-00-539-7914
NSN 6130-01-297-9607
NSN 6130-00-180-5149
NSN 6145-01-584-9541
NSN 5965-01-347-7328
NSN 5935-01-336-0837
NSN 5835-00-198-4936
NSN 2925-01-531-9550
NSN 5905-01-030-5036
NSN 2925-01-285-7163
NSN 7035-01-380-6538