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 5960-00-167-0397
NSN 6240-00-845-9098
NSN 5915-00-378-5585
NSN 5975-01-608-5346
NSN 6135-01-265-1384
NSN 6320-00-480-7922
NSN 5895-01-360-5634
NSN 5930-00-913-0780
NSN 6240-01-329-8095
NSN 5996-01-054-3226
NSN 5999-01-618-7626
NSN 6320-00-691-8514