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 6240-01-215-8485
NSN 6645-01-512-8472
NSN 5960-01-282-2386
NSN 5975-00-685-9576
NSN 5950-01-343-2418
NSN 5965-00-370-3855
NSN 5835-00-233-6327
NSN 5935-01-241-0629
NSN 5910-01-236-8802
NSN 5999-01-648-2640
NSN 5855-00-925-7887
NSN 6320-01-399-6177