Material is steel comp 1137
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 alloy steel not stainless
NSN 4140-01-065-5565
NSN 5950-01-030-0777
NSN 6150-01-378-7494
NSN 4140-01-643-7462
NSN 5915-01-646-1060
NSN 6240-01-160-8499
NSN 5996-01-418-2802
NSN 5835-01-155-0786
NSN 6145-00-730-3933
NSN 5965-01-381-2998
NSN 6220-01-063-7287
NSN 5915-01-020-6171