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		                        | National Stock Number:
 3040-00-902-1680
 
 Federal Supply Class:
 3040
 
 National Item Identification Number:
 009021680
 
 Description:
 CLAMP,HUB
 
 Detail:
 An item designed to be mounted around the extended hub portion of a gear, wheel, or the like, to retain it securely to a shaft by compressing the slotted hub body. The item may also be used to clamp around a shaft, or the like, to prevent end motion or to retain it in position. Its compression quality is derived from a screw(s) or bolt(s) which may be a part of the item of supply. For items designed to secure directly to a shaft by use of setscrews, pins, or the like, see COLLAR, SHAFT. Excludes CLAMP, LOOP.
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 Manufacturer Information:
 
 | 153745-6 | 3B150 | RAYTHEON COMPANY |  | 153745-6 | 49956 | RAYTHEON COMPANY |  | C79 | 00238 | ACME ROAD MACHINERY CO |  | CG116 | 15639 | SUPERIOR ELECTRONIC APPARATUS CORP |  | 153745-6 | 54X10 | RAYTHEON COMPANY |  | 347930 | 80045 | L3HARRIS CINCINNATI ELECTRONICS CORPORATION |  | YC15-3A | 12444 | DESIGNATRONICS INC PERFECT GEAR AND INSTRUMENT DIV |  | CG116 | 23266 | SECS INC | 
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 Techincal Specification:
 
 | BORE DIAMETER | 0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM |  | CLAMP SECURING HOLE STYLE | THREADED |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/3, ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE |  | MATERIAL | ALUMINUM ALLOY 2024 |  | III FURNISHED ITEMS AND QUANTITY | 1 SOCKET HEAD CAP SCREW |  | PROPRIETARY CHARACTERISTICS | PACS |  | NOMINAL THREAD SIZE | 0.086 INCHES |  | OUTSIDE DIAMETER | 0.562 INCHES NOMINAL |  | SCREW THREAD SERIES DESIGNATOR | UNC |  | STYLE DESIGNATOR | ROUND, SINGLE BOLT SECURED |  | SURFACE TREATMENT | ANODIZE |  | THICKNESS | 0.156 INCHES NOMINAL | 
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