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National Stock Number:
4730-00-923-1945
Federal Supply Class:
4730
National Item Identification Number:
009231945
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 | | MS21916-16-10 | 0U583 | SAE INTERNATIONAL | | AS21916 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MIL-F-18280 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MS21916-16-10 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | | MS21916-16-10 | 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 EXTERNAL BOSS ALL ENDS | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE INSIDE | | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 135.0 DEG CELSIUS SINGLE RESPONSE | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS | | THREAD SERIES DESIGNATOR | UNJ 1ST END | | UNJF 2ND END | | NOMINAL THREAD SIZE | 1.312 INCHES 1ST END | | 0.875 INCHES 2ND END | | THREAD QUANTITY PER INCH | 12 1ST END | | THREAD CLASS | 3A ALL ENDS | | NOMINAL OVERALL LENGTH | 1.688 INCHES | | REDUCER TYPE | CONCENTRIC |
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