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 5990-00-312-6787
NSN 5960-00-020-9453
NSN 5996-01-521-9670
NSN 5950-01-244-0422
NSN 6645-00-971-2023
NSN 5950-00-201-5267
NSN 5925-01-195-7258
NSN 5930-00-050-8438
NSN 5915-01-564-3790
NSN 6130-01-434-4987
NSN 7035-01-650-9725
NSN 5905-01-343-9219