NSN 3040-00-254-4893

Part Details | SHAFT COLLAR

3040-00-254-4893 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.

Alternate Parts: M121, 77A044, M121, SCB34495, SC-B-34495, 3040-00-254-4893, 00-254-4893, 3040002544893, 002544893

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30JAN 01, 196300-254-489313743 ( COLLAR, SHAFT )
REFERENCE DRAWINGS & PICTURES

ROUND W/ SINGLE EDGE

Cross Reference | NSN 3040-00-254-4893
Part Number Cage Code Manufacturer
M12105690BARKER & WILLIAMSON
77A04426916NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MULTIPLE
M1214W146SMART MACHINES, INC.DBA BARKER & WILLIAMSON
SC-B-3449580063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
Technical Data | NSN 3040-00-254-4893
Characteristic Specifications
MATERIAL COPPER ALLOY 360
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626, ALLOY 360, 1 TO 2H FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT CHROMIUM
STYLE DESIGNATOR ROUND W/ SINGLE EDGE
OUTSIDE DIAMETER0.500 INCHES NOMINAL
THICKNESS0.437 INCHES NOMINAL
BORE DIAMETER0.2520 INCHES MINIMUM AND 0.2540 INCHES MAXIMUM
RADIUS0.125 INCHES NOMINAL
SECURING HOLE QUANTITY1
SECURING HOLE TYPE AND LOCATIONDSNH THREADED
SCREW THREAD SERIES DESIGNATOR AND LOCATIONSNHNC SINGLE HOLE
NOMINAL THREAD SIZE AND LOCATIONASNH0.164 INCHES