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National Stock Number:
4730-00-640-1933
Federal Supply Class:
4730
National Item Identification Number:
006401933
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:
| AS18280 | 0U583 | SAE INTERNATIONAL | | AS18280 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AS21916 | 0U583 | SAE INTERNATIONAL | | AS21916 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | ER919D12-5 | 79470 | DANA CORP WEATHERHEAD DIV | | MS21912W12-5 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MS21916D12-5 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MS21916D12-5 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS21916W12-5 | 0U583 | SAE INTERNATIONAL | | MS21916W12-5 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | SAE-AS18280 | 0U583 | SAE INTERNATIONAL |
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Techincal Specification:
| CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS | | CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS | | MATERIAL | ALUMINUM ALLOY OVERALL | | NOMINAL OVERALL LENGTH | 1.531 INCHES | | NOMINAL THREAD SIZE | 1.062 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.500 INCHES 2ND END | | REDUCER TYPE | CONCENTRIC | | SPECIFICATION/STANDARD DATA | 81343-AS21916 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 3A ALL ENDS | | THREAD QUANTITY PER INCH | 12 1ST END | | THREAD SERIES DESIGNATOR | UNJ 1ST END | | THREAD SERIES DESIGNATOR | UNJF 2ND END |
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