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 5990-01-529-6347
NSN 6240-00-179-5043
NSN 5975-01-512-0283
NSN 5920-01-117-5053
NSN 5910-01-073-1492
NSN 5910-01-425-5191
NSN 5975-00-127-1321
NSN 6150-01-044-7832
NSN 6130-01-354-3370
NSN 6135-00-221-4720
NSN 6685-01-093-3031
NSN 5905-01-149-9850