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 5835-01-263-1293
NSN 5960-00-480-3490
NSN 6320-01-021-6633
NSN 6685-00-429-5984
NSN 5975-01-585-4535
NSN 6220-00-998-0192
NSN 5945-00-978-2542
NSN 6240-01-384-8802
NSN 6620-00-112-9218
NSN 5960-01-144-9183
NSN 2925-01-633-4048
NSN 6320-01-201-2776