3020-00-089-2550 PULLEY,GROOVE Index 5950-00-089-2555 TRANSFORMER,RADIO FREQUENCY

National Stock Number:
3040-00-089-2553

Federal Supply Class:
3040

National Item Identification Number:
000892553

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:
138264703956NORTHROP GRUMMAN SYSTEMS CORPORATION
138264756232LOCKHEED MARTIN CORPORATION


Techincal Specification:
ANGLE BETWEEN CENTERLINES OF SECURING HOLES IN DEG90.0
BORE DIAMETER0.2500 INCHES NOMINAL
OUTSIDE DIAMETER0.500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8, ALLOY 6061 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY 6061
NOMINAL THREAD SIZE AND LOCATION0.086 INCHES SINGLE HOLE
SCREW THREAD SERIES DESIGNATOR AND LOCATIONSINGLE HOLE UNC
SECURING HOLE QUANTITY1
SECURING HOLE TYPE AND LOCATIONTHREADED SINGLE HOLE
STYLE DESIGNATORPLAIN ROUND
SURFACE FINISH AND LOCATION63 MICROINCHES INSIDE PERIPHERY AND 250 MICROINCHES OUTSIDE PERIPHERY AND 250 MICROINCHES BOTH BEARING FLATS
SURFACE TREATMENTANODIZE
THICKNESS0.187 INCHES NOMINAL


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