Weapon system essential
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 5990-01-493-4039
NSN 5835-01-397-2865
NSN 5998-01-421-4170
NSN 5920-00-090-8396
NSN 6645-00-787-0651
NSN 6320-00-371-8335
NSN 6135-01-621-0742
NSN 6620-00-643-1402
NSN 6320-00-908-6841
NSN 6645-00-536-1555
NSN 6685-00-342-9408
NSN 6150-00-682-3460