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National Stock Number:
4730-00-052-7349
Federal Supply Class:
4730
National Item Identification Number:
000527349
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:
| 10086117 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | AS18280 | 0U583 | SAE INTERNATIONAL | | AS21916 | 0U583 | SAE INTERNATIONAL | | AS21916 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | AS18280 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MS21916-4-2C | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS21916J4-2 | 0U583 | SAE INTERNATIONAL | | SAE-AS18280 | 0U583 | SAE INTERNATIONAL | | MS21916J4-2 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MS21916J4-2 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| MATERIAL | STEEL COMP 304 OVERALL | | CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OUTSIDE | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS | | THREAD SERIES DESIGNATOR | UNJF ALL ENDS | | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END | | 0.312 INCHES 2ND END | | THREAD CLASS | 3A ALL ENDS | | NOMINAL OVERALL LENGTH | 1.094 INCHES | | REDUCER TYPE | CONCENTRIC | | SPECIFICATION/STANDARD DATA | 81349-MIL-F-18280C GOVERNMENT SPECIFICATION |
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