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).
NSN 6685-01-257-3121
NSN 6650-01-376-1692
NSN 5990-01-189-9338
NSN 5905-01-211-0238
NSN 5990-00-840-6571
NSN 6645-01-180-6219
NSN 5930-00-932-8060
NSN 6145-00-422-2644
NSN 4140-01-462-0268
NSN 5925-01-264-5080
NSN 6610-01-411-6800
NSN 5990-01-328-0808