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 5950-01-415-2466
NSN 6220-00-541-2841
NSN 5910-00-193-6452
NSN 6610-00-596-9883
NSN 5965-01-616-2364
NSN 5930-01-231-5294
NSN 6130-00-140-2582
NSN 6645-00-171-7101
NSN 6610-01-623-5423
NSN 5930-00-501-3138
NSN 6130-00-246-8691
NSN 6645-01-633-1852