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National Stock Number:
4730-00-640-7200
Federal Supply Class:
4730
National Item Identification Number:
006407200
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:
| 112740380 | A0199 | FINMECCANICA SPA | | 3100738 | 001JK | EMBRAER S.A. DBA EMBRAER | | AS18280 | 0U583 | SAE INTERNATIONAL | | AS18280 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | 4730PL0143773 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 3100738 | S4956 | EMBRAER EMPRESA BRASILEIRA DE AERONAUTICA SA | | AS21916D8-4 | 0U583 | SAE INTERNATIONAL | | MS21916D8-4 | 0U583 | SAE INTERNATIONAL | | SAE-AS18280 | 0U583 | SAE INTERNATIONAL | | ER919D8-4 | 79470 | DANA CORP WEATHERHEAD DIV | | AS21916D8-4 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MS21916D8-4 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 2024 OVERALL | | NOMINAL OVERALL LENGTH | 1.344 INCHES | | NOMINAL THREAD SIZE | 0.750 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.438 INCHES SECOND END | | REDUCER TYPE | CONCENTRIC | | THREAD SERIES DESIGNATOR | UNF ALL ENDS | | SPECIFICATION/STANDARD DATA | 96906-MS21916 GOVERNMENT STANDARD | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 3A ALL ENDS |
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