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 6320-00-456-2092
NSN 6320-00-194-4252
NSN 5950-01-067-7722
NSN 5960-00-626-3644
NSN 6130-01-099-1224
NSN 5975-00-835-7753
NSN 5965-00-481-5884
NSN 5930-00-139-3327
NSN 2925-01-565-6410
NSN 5960-01-325-1581
NSN 6110-01-273-2560
NSN 5965-01-237-3342