Flange meets mil-f-20042
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 5855-01-259-8376
NSN 6145-01-524-3687
NSN 5996-00-113-2243
NSN 5985-00-199-2402
NSN 4140-00-786-2928
NSN 5965-00-004-6371
NSN 6620-00-912-9623
NSN 6150-01-141-1052
NSN 6220-00-520-2603
NSN 5945-01-476-1375
NSN 5935-00-823-4494
NSN 5945-01-250-2440