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National Stock Number:
4730-00-202-8836
Federal Supply Class:
4730
National Item Identification Number:
002028836
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 | | MS21916-4-3 | 0U583 | SAE INTERNATIONAL | | MS21916-4-3 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MS21916-4-3 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS | | CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS | | MATERIAL | STEEL OVERALL | | NOMINAL OVERALL LENGTH | 1.141 INCHES | | NOMINAL THREAD SIZE | 0.375 INCHES 2ND END | | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END | | REDUCER TYPE | CONCENTRIC | | SEAT ANGLE | 12.0 DEGREES ALL ENDS | | SPECIFICATION/STANDARD DATA | 81343 - AS21916 MANUFACTURERS STANDARD | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A ALL ENDS | | THREAD SERIES DESIGNATOR | UNJF ALL ENDS |
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