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 5925-01-534-8060
NSN 5915-01-514-8240
NSN 5960-00-645-8435
NSN 6620-00-982-6855
NSN 5935-01-412-0643
NSN 5895-01-382-6388
NSN 5835-00-757-3558
NSN 5945-01-148-6785
NSN 5925-01-060-3403
NSN 5990-01-282-0570
NSN 6645-01-275-1372
NSN 6105-01-468-0024