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National Stock Number:
3040-00-022-8524
Federal Supply Class:
3040
National Item Identification Number:
000228524
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.
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Manufacturer Information:
| 871519 | 56232 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| BORE DIAMETER | 0.1875 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.438 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | ALUMINUM ALLOY 2024 | | NOMINAL THREAD SIZE AND LOCATION | 0.250 INCHES SINGLE HOLE | | SCREW THREAD SERIES DESIGNATOR AND LOCATION | SINGLE HOLE UNC | | SECURING HOLE QUANTITY | 1 | | SECURING HOLE TYPE AND LOCATION | THREADED SINGLE HOLE | | STYLE DESIGNATOR | PLAIN ROUND | | SURFACE FINISH AND LOCATION | 63 MICROINCHES INSIDE PERIPHERY AND 125 MICROINCHES ONE BEARING FLAT AND 250 MICROINCHES OPPOSITE BEARING FLAT AND 250 MICROINCHES OUTSIDE PERIPHERY | | SURFACE TREATMENT | CHROMATE | | THICKNESS | 0.250 INCHES NOMINAL |
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