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 5996-01-567-9076
NSN 5905-00-351-8087
NSN 7035-01-137-6206
NSN 5998-01-448-2342
NSN 5910-00-005-4601
NSN 5910-00-238-7354
NSN 5925-01-160-0071
NSN 6110-01-317-4459
NSN 7035-01-631-4095
NSN 5910-00-362-6687
NSN 6645-01-422-9672
NSN 7035-01-534-2780