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 2925-00-035-5633
NSN 6220-01-219-6294
NSN 5835-00-912-5656
NSN 6610-00-065-8885
NSN 5990-00-822-9269
NSN 6240-00-627-1493
NSN 5910-00-858-9606
NSN 5855-01-532-4453
NSN 2925-01-587-3956
NSN 6135-01-435-8451
NSN 7035-01-411-6062
NSN 5925-01-416-0913