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 5910-00-401-3110
NSN 5990-01-560-0896
NSN 5985-00-798-8789
NSN 7035-00-104-7613
NSN 6320-01-172-6103
NSN 5905-00-131-1880
NSN 6145-01-627-9837
NSN 5920-01-264-8238
NSN 5998-01-534-7301
NSN 6150-00-185-1023
NSN 6320-00-557-3079
NSN 6105-01-576-8064