5120-00-831-5520 WRENCH,FIELD LENS A Index 1560-00-831-5522 FITTING,STRUCTURAL COMPONENT,AIR

National Stock Number:
4730-00-831-5521

Federal Supply Class:
4730

National Item Identification Number:
008315521

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.


Manufacturer Information:
728335-198897LOCKHEED MARTIN CORP


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION TYPETHREADED INTERNAL BOSS 2ND END
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION STYLEGASKET SEAL (BOSS) 2ND END
FLOW ANGLE90.0 DEGREES
LEG LENGTH2.380 INCHES NOMINAL 1ST END
LEG LENGTH1.500 INCHES NOMINAL 2ND END
MATERIALALUMINUM ALLOY OVERALL
PROPRIETARY CHARACTERISTICSPACS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.250 INCHES 1ST END
NOMINAL THREAD SIZE1.625 INCHES 1ST END
NOMINAL THREAD SIZE1.625 INCHES 2ND END
SEAT ANGLE37.0 DEGREES 1ST END
THREAD CLASS3A 1ST END
THREAD CLASS3B 2ND END
THREAD QUANTITY PER INCH12 2ND END
THREAD QUANTITY PER INCH12 1ST END
THREAD SERIES DESIGNATORUN 1ST END
THREAD SERIES DESIGNATORUNJ 2ND END


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