2530-01-290-4472 DISK BRAKE SHOE Index 3020-01-290-4474 CHAIN,ROLLER

National Stock Number:
3040-01-290-4473

Federal Supply Class:
3040

National Item Identification Number:
012904473

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:
186211081316PORTSMOUTH NAVAL SHIPYARD
SSN593-520-186211 PIECE 1481316PORTSMOUTH NAVAL SHIPYARD


Techincal Specification:
MATERIALCOPPER ALLOY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-24059 MIL SPEC SINGLE MATERIAL RESPONSE
STYLE DESIGNATORPLAIN ROUND
OUTSIDE DIAMETER2.500 INCHES NOMINAL
THICKNESS1.250 INCHES NOMINAL
BORE DIAMETER1.3750 INCHES NOMINAL
SURFACE FINISH AND LOCATION63 MICROINCHES OVERALL
SECURING HOLE QUANTITY2
ANGLE BETWEEN CENTERLINES OF SECURING HOLES IN DEG180.0
SECURING HOLE TYPE AND LOCATIONTHREADED ALL HOLES
SCREW THREAD SERIES DESIGNATOR AND LOCATIONALL HOLES UNC
NOMINAL THREAD SIZE AND LOCATION0.375 INCHES ALL HOLES
SPECIAL FEATURESBORE THREADED,1.375-14NS-38


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