6650-00-421-7548 MIRROR,OPTICAL INSTRUMENT Index 6650-00-421-7550 LENS,OPTICAL INSTRUMENT

National Stock Number:
3040-00-421-7549

Federal Supply Class:
3040

National Item Identification Number:
004217549

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:
354977-103B150RAYTHEON COMPANY
354977-1049956RAYTHEON COMPANY
354977-10REVB49956RAYTHEON COMPANY
354977-1054X10RAYTHEON COMPANY


Techincal Specification:
BORE DIAMETER0.2500 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626, ALLOY 360, 1/2H FED SPEC SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY 360
NOMINAL THREAD SIZE0.112 INCHES SINGLE HOLE
OUTSIDE DIAMETER0.500 INCHES NOMINAL
SCREW THREAD SERIES DESIGNATOR AND LOCATIONSINGLE HOLE UNIFIED NATIONAL COARSE (UNC)
SECURING HOLE QUANTITY1
SECURING HOLE TYPE AND LOCATIONTHREADED SINGLE HOLE
STYLE DESIGNATORPLAIN ROUND
SURFACE TREATMENTNICKEL
THICKNESS0.375 INCHES NOMINAL


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