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 5985-00-076-8960
NSN 6645-01-030-8930
NSN 6110-01-363-6914
NSN 5960-00-833-6632
NSN 5998-01-482-8327
NSN 6150-01-542-6329
NSN 6320-01-366-5157
NSN 5996-01-555-7690
NSN 5998-01-500-2278
NSN 5950-01-099-7324
NSN 5965-00-404-6809
NSN 5996-01-357-3737