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		                        | National Stock Number:
 4730-00-440-1370
 
 Federal Supply Class:
 4730
 
 National Item Identification Number:
 004401370
 
 Description:
 REDUCER,TUBE
 
 Detail:
 A straight tube fitting having a different size connection on each end. It is designed to join two tubes of different sizes. Excludes BUSHING (as modified).
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 Manufacturer Information:
 
 | 98583P010 | 00198 | PRATT & WHITNEY CANADA CORP |  | 98583P010 | 77445 | RTX CORPORATION |  | 98583P10 | 00198 | PRATT & WHITNEY CANADA CORP |  | GM98583P10 | 16462 | GENERAL MANUFACTURING CORP |  | 98583P10 | 77445 | RTX CORPORATION | 
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 Techincal Specification:
 
 | CONNECTION STYLE | PLAIN (PIPE) ALL ENDS |  | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |  | CONNECTION TYPE | THREADED EXTERNAL TUBE 2ND END |  | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4088 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | ALUMINUM ALLOY OVERALL |  | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 2.500 INCHES 1ST END |  | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 2.250 INCHES 2ND END |  | NOMINAL OVERALL LENGTH | 1.360 INCHES |  | NOMINAL THREAD SIZE | 2.750 INCHES 1ST END |  | NOMINAL THREAD SIZE | 3.000 INCHES 2ND END |  | REDUCER TYPE | CONCENTRIC |  | THREAD CLASS | 2A 2ND END |  | THREAD PITCH DIAMETERS | +2.7039 TO 2.7059 INCHES 1ST END |  | THREAD QUANTITY PER INCH | 12 1ST END |  | THREAD QUANTITY PER INCH | 12 2ND END |  | THREAD SERIES DESIGNATOR | UN 2ND END |  | THREAD SERIES DESIGNATOR | UNS 1ST END | 
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