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 6130-00-385-1708
NSN 6320-01-173-7950
NSN 6650-01-592-1107
NSN 7035-01-247-6256
NSN 6110-00-456-9506
NSN 5895-01-024-7297
NSN 6145-00-459-4899
NSN 6685-01-133-3298
NSN 5895-01-354-3698
NSN 6135-01-142-6456
NSN 5905-01-040-6199
NSN 5996-01-207-7122