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 5950-00-245-5695
NSN 6650-00-854-0265
NSN 5998-00-161-0636
NSN 6685-01-250-4341
NSN 6685-00-852-4824
NSN 5990-01-472-2447
NSN 5895-01-256-2459
NSN 6620-01-068-4498
NSN 5930-01-652-9677
NSN 6110-00-236-4161
NSN 6145-01-371-4828
NSN 5985-01-450-2695