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		                             National Stock Number: 4730-00-451-6056
  Federal Supply Class: 4730
  National Item Identification Number: 004516056
  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:
 | 4730PL1939236 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH |  | AS18280 | 0U583 | SAE INTERNATIONAL |  | AS21924 | 0U583 | SAE INTERNATIONAL |  | AS21924 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |  | AS21924W4 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |  | AS18280 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |  | MS21924W4 | 0U583 | SAE INTERNATIONAL |  | SAE-AS18280 | 0U583 | SAE INTERNATIONAL |  | MS21924W4 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |  | SAE AS21924 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |  | MS21903D4 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |  | MS21924W4 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |   
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  Techincal Specification:
 | MATERIAL | ALUMINUM ALLOY 7075 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/9,T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |  | SURFACE TREATMENT | ANODIZE OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |  | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | MAXIMUM OPERATING TEMP | 135.0 DEG CELSIUS SINGLE RESPONSE |  | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |   | THREADED EXTERNAL BOSS 2ND END |  | CONNECTION STYLE | FLARELESS (TUBE) 1ST END |   | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END |  | SEAT ANGLE | 12.0 DEGREES 1ST END |  | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END |  | THREAD SERIES DESIGNATOR | UNJF ALL ENDS |   | UNJF CENTER BULKHEAD |  | NOMINAL THREAD SIZE | 0.438 INCHES ALL ENDS |   | 0.438 INCHES CENTER BULKHEAD |  | THREAD CLASS | 3A ALL ENDS |   | 3A CENTER BULKHEAD |  | NOMINAL OVERALL LENGTH | 1.656 INCHES |  | SPECIFICATION/STANDARD DATA | 96906-MS21924 GOVERNMENT STANDARD |   
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