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 6135-01-528-6896
NSN 5996-01-136-9351
NSN 6610-01-525-8235
NSN 6240-00-442-6327
NSN 5930-00-022-4874
NSN 2925-01-385-6661
NSN 5945-01-632-5495
NSN 5905-01-602-4459
NSN 5965-01-341-8746
NSN 5855-00-494-9581
NSN 6620-00-608-1480
NSN 5996-01-241-3156