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 6320-00-646-3311
NSN 6610-01-226-7612
NSN 5930-01-519-1291
NSN 6240-00-246-7242
NSN 6145-01-055-5067
NSN 5910-01-215-7301
NSN 5905-00-868-4371
NSN 5950-01-281-7506
NSN 5990-01-485-0260
NSN 5985-01-415-5785
NSN 5990-01-254-2936
NSN 5905-00-047-4537