3020-00-319-2644 GEAR,SPUR Index 3020-00-319-2660 GEAR,SPUR

National Stock Number:
4730-00-319-2656

Federal Supply Class:
4730

National Item Identification Number:
003192656

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:
673707924617GENERAL MOTORS CORP
673707963005ROLLS-ROYCE CORPORATION
673707973342ALLISON TRANSMISSION INC


Techincal Specification:
MATERIALSTEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
INLET LOCATIONRIGHT-HAND SIDE SINGLE INLET
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
THREADED EXTERNAL BOSS 2ND END
THREADED EXTERNAL TUBE INLET
CONNECTION STYLEFLARED (TUBE) 1ST END
DOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) 2ND END
FLARED (TUBE) INLET
SEAT ANGLE37.0 DEGREES 1ST END
37.0 DEGREES INLET
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES 1ST END
0.375 INCHES INLET
THREAD SERIES DESIGNATORUNF ALL ENDS
UNF 2ND END BULKHEAD
NOMINAL THREAD SIZE0.750 INCHES 1ST END
0.562 INCHES INLET
0.500 INCHES 2ND END BULKHEAD
THREAD CLASS3A ALL ENDS
3A 2ND END BULKHEAD
LEG LENGTH0.938 INCHES MINIMUM AND
0.969 INCHES MAXIMUM 1ST END
1.509 INCHES MINIMUM AND
1.609 INCHES MAXIMUM 2ND END
1.094 INCHES NOMINAL INLET
FLOW ANGLE90.0 DEGREES


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