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		                             National Stock Number: 4730-00-277-5352
  Federal Supply Class: 4730
  National Item Identification Number: 002775352
  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:
 | AN919-0 | 00624 | EATON AEROQUIP LLC |  | AN919-0 | 06581 | ALLAN AIRCRAFT SUPPLY CO., LLC |  | AN919-0 | 13899 | HYDRO-FITTING MANUFACTURING CORPORATION |  | AN919-0 | 14397 | FABER ENTERPRISES, INC. |  | AN919-0 | 14798 | DESIGNED METAL CONNECTIONS INC |  | AN919-0 | 22995 | CROWN FITTING CO INC |  | AS4841 | 0U583 | SAE INTERNATIONAL |  | AS5174 | 0U583 | SAE INTERNATIONAL |  | AN919-0 | 30974 | AEROFIT, LLC |  | AN919-0 | 71563 | COLLINS ENGINEERING CORP |  | AS4841 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |  | AN919-0D | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |  | AN919-0 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |  | AN919-0 | R1120 | SATAIR A/S |  | AS5174-0302 | 0U583 | SAE INTERNATIONAL |  | SAE-AS4841 | 0U583 | SAE INTERNATIONAL |  | SAE-AS5174 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |  | AS5174-0302 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |  | AS5174 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |   
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  Techincal Specification:
 | MATERIAL | STEEL OVERALL |  | CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS |  | SURFACE TREATMENT | CADMIUM OVERALL |  | CONNECTION STYLE | FLARED W/ GASKET SEAL (BOSS) ALL ENDS |  | THREAD SERIES DESIGNATOR | UNJF 1ST END |   | UNF 2ND END |  | NOMINAL THREAD SIZE | 0.375 INCHES 1ST END |   | 0.312 INCHES 2ND END |  | THREAD CLASS | 3A ALL ENDS |  | NOMINAL OVERALL LENGTH | 1.172 INCHES |  | REDUCER TYPE | CONCENTRIC |  | SPECIFICATION/STANDARD DATA | 88044-AN917 GOVERNMENT STANDARD |   
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