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 6320-00-456-0836
NSN 5925-01-076-5700
NSN 6105-00-500-0061
NSN 5925-01-616-6475
NSN 6130-01-062-0924
NSN 6320-01-177-3192
NSN 5975-00-296-7009
NSN 5895-00-810-0189
NSN 6150-01-605-0484
NSN 5950-01-382-9257
NSN 5985-01-210-0125
NSN 7035-01-592-4732