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 6130-01-227-1714
NSN 6105-00-980-6563
NSN 5905-00-342-5073
NSN 5945-01-500-1606
NSN 7035-00-166-0339
NSN 5915-00-770-2563
NSN 5920-00-059-3549
NSN 6145-01-095-6556
NSN 6685-01-141-7960
NSN 6240-01-621-2774
NSN 5985-00-528-8636
NSN 6105-00-379-2402