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 5925-00-687-1625
NSN 5998-01-348-1835
NSN 6645-00-426-3719
NSN 7035-00-142-9076
NSN 7035-01-023-7859
NSN 5915-01-540-4491
NSN 5925-01-474-6358
NSN 6130-01-141-6894
NSN 5999-00-231-4632
NSN 6650-01-297-4376
NSN 5915-01-078-8632
NSN 6685-00-772-8853