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 5855-01-333-7108
NSN 5996-01-487-4377
NSN 6645-01-550-9669
NSN 5910-01-398-5537
NSN 6645-01-158-8136
NSN 6130-01-045-6294
NSN 6240-00-635-9953
NSN 5835-00-074-3700
NSN 6105-01-261-4663
NSN 5975-01-135-0694
NSN 6610-01-293-6579
NSN 6150-01-123-3982