4140-00-950-6006 IMPELLER,FAN,AXIAL Index 6685-00-950-6012 GAGE,PRESSURE,DIAL INDICATING

National Stock Number:
3040-00-950-6008

Federal Supply Class:
3040

National Item Identification Number:
009506008

Description:
COLLAR,SHAFT

Detail:
An item designed to be mounted around a shaft to limit axial movement of the shaft and/or its assembled parts. It is secured directly to the shaft by use of a setscrew(s), pin(s), or the like, which may be a part of the item of supply. A pilot hole drilled in or through the wall(s) for drilling and pinning at application may be considered a method of securing. Solid items have a bearing surface on one or both end(s) perpendicular to the axis. For items designed to be mounted around the extended hub portion of a mounted item on a shaft or clamp around a shaft, see CLAMP, HUB. See also BEARING, SLEEVE; BUSHING, SLEEVE; SPACER, SLEEVE; and COUPLING, SHAFT, RIGID.


Manufacturer Information:
490D971G0179500WESTINGHOUSE ELECTRIC CORP
490D971G0197942NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
ANGLE BETWEEN CENTERLINES OF SECURING HOLES IN DEG90.0
BORE DIAMETER0.2500 INCHES NOMINAL
HOLE DIAMETER AND LOCATION0.0780 INCHES NOMINAL 1ST HOLE
LARGEST DIAMETER LENGTH0.190 INCHES NOMINAL
OUTSIDE DIAMETER0.875 INCHES NOMINAL
MATERIALSTEEL
NOMINAL THREAD SIZE0.112 INCHES THREAD
SCREW THREAD SERIES DESIGNATOR AND LOCATION2ND HOLE UNC
SECURING HOLE QUANTITY2
SECURING HOLE TYPE AND LOCATIONUNTHREADED 1ST HOLE AND THREADED 2ND HOLE
SMALL END DIAMETER0.375 INCHES NOMINAL
STYLE DESIGNATORROUND STEPPED
SPECIAL FEATURESSPRING PIN AT 6 OCLOCK 0.094 IN. DIAMETER BY 0.300 IN. LONG
SURFACE TREATMENTPASSIVATE
THICKNESS0.490 INCHES NOMINAL


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