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 5915-01-510-2296
NSN 6320-01-017-5274
NSN 6145-01-586-4679
NSN 6610-01-093-4710
NSN 5835-00-821-8555
NSN 6110-00-452-0448
NSN 5855-00-014-5008
NSN 6130-01-373-7350
NSN 5975-01-012-4164
NSN 5855-01-463-7372
NSN 5996-01-439-9480
NSN 6685-00-642-0533