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National Stock Number:
4730-00-889-2283
Federal Supply Class:
4730
National Item Identification Number:
008892283
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:
| AN893-4D | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AS5172D0412L | 0U583 | SAE INTERNATIONAL | | SAE-AS4875 | 0U583 | SAE INTERNATIONAL | | AS5172D0412L | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MS24397D4 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY OVERALL | | CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END | | THREADED EXTERNAL BOSS 2ND END | | SURFACE TREATMENT | ANODIZE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | CONNECTION STYLE | GASKET SEAL (BOSS) 1ST END | | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | UN 2ND END | | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END | | 1.062 INCHES 2ND END | | THREAD QUANTITY PER INCH | 12 1ST END | | THREAD CLASS | 3B 1ST END | | 3A 2ND END | | NOMINAL OVERALL LENGTH | 0.969 INCHES | | REDUCER TYPE | CONCENTRIC | | SPECIAL FEATURES | DRILLED FOR LOCKWIRE |
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