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		                        | National Stock Number:
 3040-00-947-2105
 
 Federal Supply Class:
 3040
 
 National Item Identification Number:
 009472105
 
 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:
 
 | 10051156 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |  | 610351-2 | 00141 | ROLLER BEARING CO OF AMERICA, INC |  | 610351-2 | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP |  | GCB250 | K2212 | BACKER ELECTRIC COMPANY LIMITED | 
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 Techincal Specification:
 
 | BORE DIAMETER | 0.3125 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM |  | CLAMP SECURING HOLE STYLE | THREADED |  | FSC APPLICATION DATA | RADAR INTEGRATION STATION,GUIDED MISSILE |  | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764, TYPE 303, COND A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE |  | MATERIAL | STEEL COMP 303 |  | PLAIN HOLE DIAMETER | 0.1380 INCHES NOMINAL |  | NOMINAL THREAD SIZE | 0.138 INCHES |  | OUTSIDE DIAMETER | 0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM |  | SCREW THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |  | STYLE DESIGNATOR | ROUND, SINGLE BOLT SECURED |  | SURFACE TREATMENT | PASSIVATE |  | THICKNESS | 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM | 
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