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 5945-00-185-6609
NSN 6150-01-574-2060
NSN 6110-01-287-9394
NSN 6130-01-056-2097
NSN 5925-00-552-6491
NSN 5965-01-147-5847
NSN 5985-01-023-1675
NSN 6685-01-571-3452
NSN 6645-00-166-7926
NSN 6220-00-200-7888
NSN 5855-00-532-0025
NSN 5920-01-504-4354