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 5835-00-744-1277
NSN 5905-01-655-3093
NSN 5930-00-142-6949
NSN 5930-01-118-2538
NSN 5925-00-862-0142
NSN 6610-01-088-5871
NSN 6135-01-559-1578
NSN 6645-00-531-4820
NSN 5998-01-526-3991
NSN 5945-00-189-0650
NSN 6620-01-104-5758
NSN 6685-00-216-6676