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		                        | National Stock Number:
 4730-00-855-2196
 
 Federal Supply Class:
 4730
 
 National Item Identification Number:
 008552196
 
 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:
 
 | 4730PL0802615 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH |  | AS18280 | 0U583 | SAE INTERNATIONAL |  | AS21916 | 0U583 | SAE INTERNATIONAL |  | MS21916J12-6 | 0U583 | SAE INTERNATIONAL |  | AS18280 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |  | AS21916 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |  | SAE-AS18280 | 0U583 | SAE INTERNATIONAL |  | MS21916J12-6 | 14397 | FABER ENTERPRISES, INC. |  | MS21916J12-6 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |  | MS21916J12-6 | 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 | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |  | SURFACE TREATMENT | PASSIVATE INSIDE |  |  | PASSIVATE OUTSIDE |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE |  |  | MIL-F-14072,E300,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE |  | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS |  | THREAD SERIES DESIGNATOR | UNJ 1ST END |  |  | UNJF 2ND END |  | NOMINAL THREAD SIZE | 1.062 INCHES 1ST END |  |  | 0.562 INCHES 2ND END |  | THREAD QUANTITY PER INCH | 12 1ST END |  | THREAD CLASS | 3A ALL ENDS |  | NOMINAL OVERALL LENGTH | 1.531 INCHES |  | REDUCER TYPE | CONCENTRIC |  | FURNISHED ITEMS AND QUANTITY | 2 SHORT COUPLING NUT | 
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