3040-00-613-2019 SHAFT,SHOULDERED Index 2590-00-613-2021 SHOE,SUPPORT,RETRACTABLE,SEMITRA

National Stock Number:
3040-00-613-2020

Federal Supply Class:
3040

National Item Identification Number:
006132020

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:
739286819207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
ANGLE BETWEEN CENTERLINES OF SECURING HOLES IN DEG180.0
BORE DIAMETER0.8750 INCHES NOMINAL
DISTANCE FROM CENTER OF BORE TO BOTTOM OF KEYWAY0.871 INCHES NOMINAL
HOLE DIAMETER AND LOCATION0.2500 INCHES NOMINAL SINGLE HOLE
INTERNAL KEYWAY WIDTH0.500 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
KEYWAY QUANTITY1
LARGEST DIAMETER LENGTH0.500 INCHES NOMINAL
OUTSIDE DIAMETER1.985 INCHES MINIMUM AND 1.988 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634, COMP 1018-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 1018
SECURING HOLE QUANTITY2
SECURING HOLE TYPE AND LOCATIONUNTHREADED SINGLE HOLE
SMALL END DIAMETER1.364 INCHES NOMINAL
STYLE DESIGNATORROUND STEPPED
SURFACE TREATMENTPAINT
THICKNESS1.250 INCHES NOMINAL


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