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 6650-01-107-3830
NSN 5895-01-355-7479
NSN 6240-01-154-6840
NSN 7035-01-098-5474
NSN 5998-01-429-9053
NSN 6685-00-021-2092
NSN 6650-00-473-1259
NSN 6620-01-106-3553
NSN 5855-01-163-8152
NSN 5985-01-607-7920
NSN 7035-01-351-4111
NSN 4140-01-294-7024