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National Stock Number:
4730-00-531-2936
Federal Supply Class:
4730
National Item Identification Number:
005312936
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:
| A51H20639-1 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51H20639-1 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51H20639-1 | 65780 | TEK PRECISION CO LIMITED | | A51H20639-1 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS | | MATERIAL | STEEL OVERALL | | NOMINAL OVERALL LENGTH | 0.937 INCHES | | NOMINAL THREAD SIZE | 0.437 INCHES SECOND END | | NOMINAL THREAD SIZE | 0.562 INCHES FIRST END | | REDUCER TYPE | CONCENTRIC | | SPECIAL FEATURES | W/PRESSED IN RESTRICTOR | | THREAD CLASS | 2A ALL ENDS | | THREAD SERIES DESIGNATOR | UN FIRST END | | THREAD SERIES DESIGNATOR | UNF SECOND END | | THREAD QUANTITY PER INCH | 20 FIRST END |
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