4730-01-268-9471 ELBOW,TUBE TO BOSS Index 4730-01-268-9473 ELBOW,TUBE TO BOSS

National Stock Number:
4730-01-268-9472

Federal Supply Class:
4730

National Item Identification Number:
012689472

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:
KC108C3222264JOHN F KENNEDY SPACE CENTER
KC108K3222264JOHN F KENNEDY SPACE CENTER


Techincal Specification:
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION STYLEPLAIN (HOSE) 2ND END
CONNECTION TYPETHREADED EXTERNAL BOSS 2ND END
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CRITICALITY CODE JUSTIFICATIONFEAT
FLOW ANGLE90.0 DEGREES
LEG LENGTH2.922 INCHES NOMINAL 2ND END
LEG LENGTH3.078 INCHES NOMINAL 1ST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 316 OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED2.000 INCHES 1ST END
NOMINAL THREAD SIZE2.500 INCHES 2ND END
NOMINAL THREAD SIZE2.500 INCHES 1ST END
SEAT ANGLE37.0 DEGREES 1ST END
SPECIAL FEATURESKC108C-32; MACHINED GROOVE IN FLARED END TO ACCOMMODATE SEAL RING PER KC103
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A 2ND END
THREAD CLASS3A 1ST END
THREAD QUANTITY PER INCH12 1ST END
THREAD QUANTITY PER INCH12 2ND END
THREAD SERIES DESIGNATORUN 1ST END
THREAD SERIES DESIGNATORUN 2ND END


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