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 5996-01-502-9414
NSN 7035-01-088-6415
NSN 5998-00-240-8650
NSN 6135-01-202-8113
NSN 6610-01-424-3213
NSN 5920-01-512-8586
NSN 5960-00-099-8591
NSN 7035-00-104-7613
NSN 5835-01-384-3206
NSN 5945-01-131-9137
NSN 5945-00-253-5200
NSN 6650-00-842-5463