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 5965-01-337-5408
NSN 5925-00-079-2930
NSN 5910-01-513-2713
NSN 5835-01-509-8992
NSN 6650-00-704-3549
NSN 5935-01-304-4359
NSN 5935-01-411-5264
NSN 5835-00-804-0569
NSN 5990-01-049-3695
NSN 5925-01-227-2566
NSN 5905-00-466-2256
NSN 5990-00-212-4316