5306-00-022-8522 SCREW Index 5342-00-022-8525 BLOCK,COIL ASSEMBLY

National Stock Number:
3040-00-022-8524

Federal Supply Class:
3040

National Item Identification Number:
000228524

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:
87151956232LOCKHEED MARTIN CORPORATION


Techincal Specification:
MATERIALALUMINUM ALLOY 2024
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENTCHROMATE
STYLE DESIGNATORPLAIN ROUND
OUTSIDE DIAMETER0.438 INCHES NOMINAL
THICKNESS0.250 INCHES NOMINAL
BORE DIAMETER0.1875 INCHES NOMINAL
SURFACE FINISH AND LOCATION63 MICROINCHES INSIDE PERIPHERY
125 MICROINCHES ONE BEARING FLAT
250 MICROINCHES OPPOSITE BEARING FLAT
250 MICROINCHES OUTSIDE PERIPHERY
SECURING HOLE QUANTITY1
SECURING HOLE TYPE AND LOCATIONTHREADED SINGLE HOLE
SCREW THREAD SERIES DESIGNATOR AND LOCATIONSINGLE HOLE UNC
NOMINAL THREAD SIZE AND LOCATION0.250 INCHES SINGLE HOLE
THE MANUFACTURERS DATA
MANUFACTURERS CODE56232
DESIGN CONTROL REFERENCE871519


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