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 5915-00-276-8332
NSN 5920-01-519-4984
NSN 6620-00-593-5313
NSN 5855-01-088-8700
NSN 6110-01-252-7722
NSN 6150-01-286-7918
NSN 7035-00-188-6674
NSN 2925-00-233-5644
NSN 5935-01-600-9999
NSN 5985-01-173-9405
NSN 5996-01-513-0323
NSN 5975-00-043-3403