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 5965-00-340-6790
NSN 5999-00-900-4778
NSN 5930-01-434-5955
NSN 5998-01-593-7076
NSN 5920-01-215-0497
NSN 6320-00-539-9283
NSN 5895-00-762-4876
NSN 6650-01-440-5947
NSN 5910-01-227-9204
NSN 6145-01-188-9699
NSN 6685-00-527-9335
NSN 6650-01-456-5188