A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes bushing (as modified).
Classification: Other fittings nesoi of iron or nonalloy steel
NSN 4140-00-613-9209
NSN 5990-01-167-7043
NSN 5960-01-288-8910
NSN 6645-00-981-7218
NSN 5915-01-468-5793
NSN 6320-00-456-0836
NSN 5910-01-444-4096
NSN 5985-00-023-4433
NSN 5910-00-172-9804
NSN 6150-00-890-9862
NSN 6645-00-569-1759
NSN 5855-00-361-0167