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National Stock Number:
4730-00-278-6158
Federal Supply Class:
4730
National Item Identification Number:
002786158
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:
| AN893-24 | 00624 | EATON AEROQUIP LLC | | AN893-24 | 06581 | ALLAN AIRCRAFT SUPPLY CO., LLC | | AN893-24 | 13899 | HYDRO-FITTING MANUFACTURING CORPORATION | | AN893-24 | 14397 | FABER ENTERPRISES, INC. | | AN893-24 | 14798 | DESIGNED METAL CONNECTIONS INC | | AN893-24 | 22995 | CROWN FITTING CO INC | | AS4875 | 0U583 | SAE INTERNATIONAL | | AS5172-1620L | 0U583 | SAE INTERNATIONAL | | AN893-24 | 30974 | AEROFIT, LLC | | AN893-24 | 34724 | ACRA AEROSPACE INC | | AN893-24 | 71563 | COLLINS ENGINEERING CORP | | AS5172-1620L | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AS4875 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AN893-24 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | SAE-AS4875 | 0U583 | SAE INTERNATIONAL | | MS24397-24 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | CONNECTION TYPE | THREADED INTERNAL BOSS 1ST END | | THREADED EXTERNAL BOSS 2ND END | | SURFACE TREATMENT | CADMIUM INSIDE | | CADMIUM OUTSIDE | | CONNECTION STYLE | GASKET SEAL (BOSS) 1ST END | | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END | | THREAD SERIES DESIGNATOR | UN 1ST END | | UN 2ND END | | NOMINAL THREAD SIZE | 1.312 INCHES 1ST END | | 1.625 INCHES 2ND END | | THREAD QUANTITY PER INCH | 12 1ST END | | 12 2ND END | | THREAD CLASS | 3B 1ST END | | 3A 2ND END | | NOMINAL OVERALL LENGTH | 1.375 INCHES | | REDUCER TYPE | CONCENTRIC |
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