| 
                            
                                |  |  
                                |   |  
		                        | National Stock Number:
 3040-01-493-8892
 
 Federal Supply Class:
 3040
 
 National Item Identification Number:
 014938892
 
 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:
 
 | 14873349 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 581-6726670 FIN | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 581-6726670 FIND 17 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 581-6726674 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 581-6726674 FIND 14 | 53711 | NAVAL SEA SYSTEMS COMMAND | 
 |  
					            | 
 Techincal Specification:
 
 | SCREW THREAD SERIES DESIGNATOR AND LOCATION | ALL HOLES UNC |  | SECURING HOLE QUANTITY | 2 |  | COUNTERSUNK HOLE ANGLE IN DEG AND LOCATION | 90.0 ALL HOLES |  | BORE DIAMETER | 3.0000 INCHES NOMINAL |  | THICKNESS | 0.7500 INCHES NOMINAL |  | COUNTERSINK MAJOR DIAMETER AND LOCATION | 0.2810 INCHES NOMINAL ALL HOLES |  | STYLE DESIGNATOR | PLAIN ROUND |  | PART NAME ASSIGNED BY CONTROLLING AGENCY | THRUST COLLAR, LOWER |  | NOMINAL THREAD SIZE AND LOCATION | 0.250 INCHES ALL HOLES |  | SECURING HOLE TYPE AND LOCATION | THREADED ALL HOLES |  | SCREW THREAD QUANTITY PER INCH AND LOCATION | 20 ALL HOLES | 
 |  |