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		                        | National Stock Number:
 3040-01-301-9987
 
 Federal Supply Class:
 3040
 
 National Item Identification Number:
 013019987
 
 Description:
 HUB,BODY
 
 Detail:
 A cylindrical shoulder type item designed to be mounted and secured directly on a shaft or axle to position and retain on its body a gear(s), wheel(s), or the like. Items must have a method of securing directly to the shaft; however, a pilot hole drilled in or through the wall of the shoulder may be considered a method of securing; or by compressing the slotted hub end on the shaft by a hub clamp, which may or may not be included. Excludes BEARING, SLEEVE; BUSHING, SLEEVE; and COLLAR, SHAFT.
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 Manufacturer Information:
 
 | 711-4863675 | 80064 | NAVAL SHIP SYSTEMS COMMAND |  | 711-4863675 ITEM 21 | 80064 | NAVAL SHIP SYSTEMS COMMAND | 
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 Techincal Specification:
 
 | DISTANCE FROM FIRST END HUB TO SHOULDER | 0.250 INCHES NOMINAL |  | FIRST END HUB OUTSIDE DIAMETER | 0.250 INCHES NOMINAL |  | SHOULDER OUTSIDE DIAMETER | 0.750 INCHES NOMINAL |  | SHOULDER WIDTH | 0.496 INCHES NOMINAL |  | STYLE DESIGNATOR | DOUBLE HUB W/ SECRING HOLE(S) |  | SPECIAL FEATURES | THREAD SIZE:0.250-28 IN.THD SIZE;SECURING HOLE QTY:1;O/A LENGTH:1.000 IN.NOM;MATERIAL DOCUMENT AND CLASSIFICATION:COPPER ALLOY,ALLOY 511 | 
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