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		                        | National Stock Number:
 4730-00-221-4478
 
 Federal Supply Class:
 4730
 
 National Item Identification Number:
 002214478
 
 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:
 
 | 3022916-842-1 | 99696 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN SYSTEMS & GLOBAL SOLUTIONS | 
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 Techincal Specification:
 
 | LEG LENGTH | 0.844 INCHES NOMINAL 1ST END |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |  | MATERIAL | STEEL COMP 316 OVERALL |  | SEAT ANGLE | 17.5 DEGREES 1ST END |  | THREAD CLASS | 2A 1ST END |  | THREAD CLASS | 2B 2ND END |  | THREAD QUANTITY PER INCH | 20 1ST END |  | THREAD SERIES DESIGNATOR | UN 1ST END |  | THREAD SERIES DESIGNATOR | UNF 2ND END |  | SURFACE TREATMENT | PASSIVATE INSIDE |  | SURFACE TREATMENT | PASSIVATE OUTSIDE |  | CONNECTION STYLE | FLARELESS (TUBE) 1ST END |  | CONNECTION STYLE | GASKET SEAL (BOSS) 2ND END |  | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |  | CONNECTION TYPE | THREADED INTERNAL BOSS 2ND END |  | FLOW ANGLE | 90.0 DEGREES |  | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES 1ST END |  | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END |  | NOMINAL THREAD SIZE | 0.562 INCHES 2ND END |  | LEG LENGTH | 0.794 INCHES NOMINAL 2ND END | 
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