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 2925-00-964-7128
NSN 5999-01-535-6570
NSN 5910-00-276-8592
NSN 5910-01-082-1444
NSN 5999-01-287-5044
NSN 6620-01-244-9631
NSN 6130-01-596-3779
NSN 5945-01-231-9607
NSN 6645-01-442-6476
NSN 6220-01-379-8533
NSN 6150-01-097-6356
NSN 5905-00-296-8763