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		                        | National Stock Number:
 4730-00-203-4265
 
 Federal Supply Class:
 4730
 
 National Item Identification Number:
 002034265
 
 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:
 
 | 131B314 | 24446 | GENERAL ELECTRIC COMPANY |  | 131B314 | 81893 | GENERAL ELECTRIC CO LYNN RIVER WORKS | 
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 Techincal Specification:
 
 | MATERIAL | ALUMINUM ALLOY OVERALL |  | SURFACE TREATMENT | ANODIZE INSIDE |  |  | ANODIZE OUTSIDE |  | 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 | 37.0 DEGREES 1ST END |  | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END |  | THREAD SERIES DESIGNATOR | UNF 1ST END |  |  | UNF 2ND END |  | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END |  |  | 0.312 INCHES 2ND END |  | THREAD CLASS | 2A 1ST END |  |  | 2A 2ND END |  | LEG LENGTH | 0.680 INCHES MINIMUM AND |  |  | 0.720 INCHES MAXIMUM 1ST END |  |  | 1.080 INCHES MINIMUM AND |  |  | 1.120 INCHES MAXIMUM 2ND END |  | FLOW ANGLE | 45.0 DEGREES |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 81893 |  | DESIGN CONTROL REFERENCE | 131B314 | 
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