NSN 3040-00-285-4312

Part Details | SHAFT COLLAR

3040-00-285-4312 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: SMB500474, SM-B-500474, 3040-00-285-4312, 00-285-4312, 3040002854312, 002854312

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30SEP 05, 197300-285-431213743 ( COLLAR, SHAFT )
REFERENCE DRAWINGS & PICTURES

ROUND STEPPED

Cross Reference | NSN 3040-00-285-4312
Part Number Cage Code Manufacturer
SM-B-50047480063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
Technical Data | NSN 3040-00-285-4312
Characteristic Specifications
MATERIAL STEEL COMP 303
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764, TYPE 303, COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT PASSIVATE
STYLE DESIGNATOR ROUND STEPPED
OUTSIDE DIAMETER0.500 INCHES NOMINAL
THICKNESS0.375 INCHES NOMINAL
SMALL END DIAMETER0.343 INCHES NOMINAL
BORE DIAMETER0.2500 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM
LARGEST DIAMETER LENGTH0.200 INCHES NOMINAL
SECURING HOLE QUANTITY2
ANGLE BETWEEN CENTERLINES OF SECURING HOLES IN DEG90.0
SECURING HOLE TYPE AND LOCATIONDSNH THREADED
SCREW THREAD SERIES DESIGNATOR AND LOCATIONSNHNC SINGLE HOLE
NOMINAL THREAD SIZE AND LOCATIONASNH0.112 INCHES