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 7035-00-142-9076
NSN 6110-01-659-2025
NSN 5950-01-437-6045
NSN 5930-00-825-4545
NSN 6650-01-544-5197
NSN 5996-01-245-8209
NSN 5925-00-019-9047
NSN 5950-01-321-8965
NSN 5950-01-486-5383
NSN 5905-01-582-8708
NSN 5985-01-547-6572
NSN 5996-01-082-7358