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		                        | National Stock Number:
 4730-00-729-5752
 
 Federal Supply Class:
 4730
 
 National Item Identification Number:
 007295752
 
 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:
 
 | CVC4206C4 | 80378 | TRIUMPH AEROSTRUCTURES, LLC |  | MIL-F-5509 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | 
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 Techincal Specification:
 
 | MATERIAL | STEEL COMP 302 OR |  |  | STEEL COMP 303 OR |  |  | STEEL COMP 304 OR |  |  | STEEL COMP 316 OR |  |  | STEEL COMP 321 OVERALL |  | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |  | MAXIMUM OPERATING TEMP | 149.0 DEG CELSIUS SINGLE RESPONSE |  | 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 |  |  | 0.438 INCHES 2ND END |  | THREAD CLASS | 3A 1ST END |  |  | 3A 2ND END |  | LEG LENGTH | 0.935 INCHES MINIMUM AND |  |  | 0.965 INCHES MAXIMUM 1ST END |  |  | 0.965 INCHES MINIMUM AND |  |  | 0.995 INCHES MAXIMUM 2ND END |  | FLOW ANGLE | 90.0 DEGREES |  | SPECIFICATION/STANDARD DATA | 81349-MIL-F-5509 GOVERNMENT SPECIFICATION |  | SPEC/STD CONTROLLING DATA |  |  | MANUFACTURERS CODE | 81349 |  | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-F-5509 |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 80378 |  | DESIGN CONTROL REFERENCE | CVC4206C4 | 
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