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 5855-01-041-3432
NSN 6610-01-280-3429
NSN 6685-01-321-7931
NSN 5996-00-498-0305
NSN 5855-00-688-9954
NSN 6130-01-434-2723
NSN 5998-01-223-2716
NSN 5905-01-188-6975
NSN 5855-01-040-3881
NSN 6110-01-509-9791
NSN 6105-00-153-7967
NSN 5998-00-552-6703