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 6685-01-188-7379
NSN 5975-01-564-0460
NSN 5905-01-063-6415
NSN 5930-01-334-6638
NSN 6320-01-513-9166
NSN 5945-01-141-6697
NSN 5965-00-144-2543
NSN 6150-01-597-3274
NSN 6320-01-456-6300
NSN 2925-01-658-4470
NSN 5960-01-412-0619
NSN 5965-01-398-5508