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		                             National Stock Number: 4730-01-387-4964
  Federal Supply Class: 4730
  National Item Identification Number: 013874964
  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:
 | 37494 | 60848 | ALLIED SYSTEMS COMPANY |  | 37494 ITEM 1 | 60848 | ALLIED SYSTEMS COMPANY |  | 37533 | 60848 | ALLIED SYSTEMS COMPANY |   
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  Techincal Specification:
 | MATERIAL | STEEL CORROSION RESISTING OVERALL |  | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |   | THREADED EXTERNAL BOSS 2ND END |  | CONNECTION STYLE | FLARED (TUBE) 1ST END |   | EXTERNAL SEAT FOR GASKET SEAL (BOSS) 2ND END |  | SEAT ANGLE | 37.0 DEGREES 1ST END |  | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES 1ST END |  | THREAD SERIES DESIGNATOR | UNF ALL ENDS |  | NOMINAL THREAD SIZE | 0.437 INCHES ALL ENDS |   | 0.437 INCHES INLET |  | THREAD CLASS | 2A ALL ENDS |   | 2B INLET |  | FLOW ANGLE | 45.0 DEGREES |   
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