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 6620-00-905-8530
NSN 6105-01-505-3367
NSN 5920-01-401-5315
NSN 5835-01-116-2369
NSN 6135-01-447-3086
NSN 5910-01-627-0205
NSN 5915-01-581-3203
NSN 2925-01-327-3069
NSN 5965-01-375-5238
NSN 5996-00-059-7061
NSN 5930-01-048-8395
NSN 5920-01-457-6741