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 5999-00-359-7336
NSN 5950-00-539-9877
NSN 5925-01-310-1312
NSN 4140-00-295-0787
NSN 5835-01-654-4570
NSN 6145-01-167-0199
NSN 6645-00-869-0850
NSN 6145-00-196-4886
NSN 2925-01-324-6423
NSN 6645-01-268-7265
NSN 5999-00-905-5296
NSN 5895-01-160-8101