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National Stock Number:
4730-00-287-1135
Federal Supply Class:
4730
National Item Identification Number:
002871135
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:
| AN893-17 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | | AS4875 | 0U583 | SAE INTERNATIONAL | | AS5172 | 0U583 | SAE INTERNATIONAL | | AS5172-0816L | 0U583 | SAE INTERNATIONAL | | AS4875 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AS5172 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | SAE-AS4875 | 0U583 | SAE INTERNATIONAL | | AS5172-0816L | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MS24397-17 | 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 SECOND END | | CONNECTION TYPE | THREADED INTERNAL BOSS FIRST END | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END | | CONNECTION STYLE | GASKET SEAL (BOSS) FIRST END | | MATERIAL | STEEL OVERALL | | NOMINAL OVERALL LENGTH | 0.969 INCHES | | NOMINAL THREAD SIZE | 0.750 INCHES FIRST END | | NOMINAL THREAD SIZE | 1.312 INCHES SECOND END | | REDUCER TYPE | CONCENTRIC | | SURFACE TREATMENT | CADMIUM INSIDE | | SURFACE TREATMENT | CADMIUM OUTSIDE | | THREAD CLASS | 3A SECOND END | | THREAD CLASS | 3B FIRST END | | THREAD QUANTITY PER INCH | 12 FIRST END | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT (UNJ) SECOND END | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
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