National Item Identification Number
00-251-2081
002512081
3040-00-251-2081
3040002512081
National Stock Number
Item Name
COLLAR,SHAFT
Federal Supply Class
3040
Description
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.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
230538PC6
Required Categories
MATERIAL
STYLE DESIGNATOR
OUTSIDE DIAMETER
THICKNESS
BORE DIAMETER
SECURING
Required Description
STEEL, MIL-S-890, CLASS BS
A1 PLAIN ROUND
0.690 INCHES MINIMUM AND
0.710 INCH