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 6645-01-265-0648
NSN 5945-00-713-6106
NSN 5855-01-414-6265
NSN 6320-01-125-3361
NSN 6610-00-388-0094
NSN 5835-01-240-5022
NSN 7035-01-608-3619
NSN 6110-01-336-8669
NSN 6130-01-602-9728
NSN 5975-00-467-8777
NSN 5965-01-273-3055
NSN 6620-00-139-3800