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 6650-00-444-7796
NSN 5930-00-073-9579
NSN 5975-01-470-3875
NSN 5945-00-753-9730
NSN 5835-00-546-4898
NSN 5925-00-699-8140
NSN 5998-01-336-6260
NSN 5910-00-258-4396
NSN 6645-00-079-1430
NSN 5910-01-618-6407
NSN 5975-01-183-5492
NSN 6685-01-510-4558