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National Stock Number:
3040-01-273-1178
Federal Supply Class:
3040
National Item Identification Number:
012731178
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:
| 625-8504-001 | 13499 | ROCKWELL COLLINS, INC. |
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Techincal Specification:
| DISTANCE FROM FIRST END HUB TO SHOULDER | 0.555 INCHES MINIMUM AND 0.571 INCHES MAXIMUM | | FIRST END HUB OUTSIDE DIAMETER | 0.278 INCHES MINIMUM AND 0.280 INCHES MAXIMUM | | HUB INSIDE DIAMETER | 0.189 INCHES MINIMUM AND 0.191 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | COMP 303 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | SHOULDER OUTSIDE DIAMETER | 0.742 INCHES MINIMUM AND 0.758 INCHES MAXIMUM | | SHOULDER WIDTH | 0.554 INCHES MINIMUM AND 0.570 INCHES MAXIMUM | | SPECIAL FEATURES | NO.4-40 UNC-2B MOUNTING HOLES ARE ALIGNED IN THE SHOULDER FACE 89.0 DEG MIN -91 DEG MAX APART 0.160 IN.MIN-0.200 IN.MAX DEEP ON A 0.462 IN.MIN -0.478 IN.MAX DIA;SHOULDER FACE AND BACK AND HUB END ARE CHAMFERED AT 0.010 IN.MIN -0.050 IN.MAX44 DEG MIN-46 DEG MAX;SHAFT ACCESS IS CHAMFERED AT 0.000 IN.-0.040IN.MAX 44 DEG.MIN -46 DEG MAX BOTH ENDS;HUB IS OFFSET FROM CENTER AGAINST SHOULDER BY 0.013 IN.MIN,0.017 DEG MAX TO FORM AN ECCENTRIC;SECURING HOLE QTY:1;O/A LENGTH:1.117 IN.MIN,1.133 IN.MAX;SECURING HOLE SIZE:4-40 UNC-2B | | STYLE DESIGNATOR | SINGLE HUB W/ SECURING HOLE(S) | | SURFACE TREATMENT | PASSIVATE |
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