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 6610-01-007-4252
NSN 5930-01-034-2293
NSN 5985-01-533-8690
NSN 5895-01-347-4908
NSN 6645-01-479-5364
NSN 5998-01-468-7314
NSN 5835-00-933-9609
NSN 5910-01-238-3415
NSN 5905-01-286-5797
NSN 6220-00-395-5225
NSN 5925-00-394-6894
NSN 5975-00-871-3582