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 5965-01-366-5900
NSN 6105-00-066-4529
NSN 6240-01-098-4294
NSN 5960-01-170-9886
NSN 5910-01-631-2723
NSN 6645-00-629-9367
NSN 5945-00-800-7179
NSN 6220-01-415-2351
NSN 6135-01-026-9960
NSN 6610-00-483-9810
NSN 5985-01-206-4729
NSN 4140-01-351-3168