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		                        | National Stock Number:
 4730-00-440-0425
 
 Federal Supply Class:
 4730
 
 National Item Identification Number:
 004400425
 
 Description:
 ELBOW,TUBE TO BOSS
 
 Detail:
 A fitting that forms an angle of less that 180 degrees (3.141 radians) from a straight flow. One connecting end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and 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 may have side or heel inlet(s). It is designed to connect a tube or tube fitting to a boss or boss fitting on items such as tanks, housings, valve fittings, or the like.
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 Manufacturer Information:
 
 | R294906D | 24446 | GENERAL ELECTRIC COMPANY |  | R294P06D | 07482 | GENERAL ELECTRIC COMPANY | 
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 Techincal Specification:
 
 | MATERIAL | ALUMINUM OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | AMS4260 ASSN STD SINGLE MATERIAL RESPONSE OR |  |  | AMS4127 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |  | SURFACE TREATMENT | ANODIZE OVERALL |  | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2470 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |  | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |  |  | THREADED EXTERNAL BOSS 2ND END |  | CONNECTION STYLE | FLARED (TUBE) 1ST END |  |  | DOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) 2ND END |  | SEAT ANGLE | 45.0 DEGREES 1ST END |  | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END |  | THREAD SERIES DESIGNATOR | UNF ALL ENDS |  | NOMINAL THREAD SIZE | 0.562 INCHES ALL ENDS |  | THREAD CLASS | 2A ALL ENDS |  | LEG LENGTH | 1.090 INCHES NOMINAL 1ST END |  |  | 1.070 INCHES NOMINAL 2ND END |  | UNION JOINT LOCATION | FIRST END |  | FLOW ANGLE | 90.0 DEGREES | 
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