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National Stock Number:
4730-00-694-4669
Federal Supply Class:
4730
National Item Identification Number:
006944669
Description:
REDUCER,BOSS
Detail:
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).
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Manufacturer Information:
| S1565-20064 | 78286 | SIKORSKY AIRCRAFT CORPORATION |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL BOSS 2ND END | | CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END | | CONNECTION STYLE | GASKET SEAL (BOSS) 1ST END | | MATERIAL | ALUMINUM OVERALL | | NOMINAL OVERALL LENGTH | 2.937 INCHES | | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END | | NOMINAL THREAD SIZE | 1.750 INCHES 2ND END | | REDUCER TYPE | CONCENTRIC | | THREAD CLASS | 3A 2ND END | | THREAD CLASS | 3B 1ST END | | THREAD SERIES DESIGNATOR | UN 2ND END | | THREAD QUANTITY PER INCH | 12 2ND END |
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