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		                             National Stock Number: 4730-01-199-5712
  Federal Supply Class: 4730
  National Item Identification Number: 011995712
  Description: ADAPTER,STRAIGHT,TUBE TO BOSS
  Detail: An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also COUPLING, TUBE and NIPPLE, TUBE. 
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  Manufacturer Information:
 | 1210D1647 | 03538 | LOCKHEED MARTIN CORPORATION |  | 1210D1647 | 54497 | MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS |  | 1213E0956 FIND 25 | 03538 | LOCKHEED MARTIN CORPORATION |  | 1213E0956 FIND 25 | 54497 | MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS |  | 1213E0956 | 54497 | MARTIN MARIETTA TECHNOLOGIES INC SUB OF MARTIN MARIETTA CORP AERO AND NAVAL SYSTEMS |   
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  Techincal Specification:
 | MATERIAL | STEEL COMP 316 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |  | SURFACE TREATMENT | PASSIVATE OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |  | CONNECTION TYPE | THREADED EXTERNAL BOSS 2ND END |  | CONNECTION STYLE | GASKET SEAL (BOSS) 2ND END |  | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.750 INCHES 1ST END |  | THREAD SERIES DESIGNATOR | UN 2ND END |  | NOMINAL THREAD SIZE | 1.750 INCHES 2ND END |  | THREAD QUANTITY PER INCH | 12 2ND END |  | THREAD CLASS | 2A 2ND END |  | NOMINAL OVERALL LENGTH | 2.125 INCHES |   
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