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National Stock Number:
3040-01-278-5515
Federal Supply Class:
3040
National Item Identification Number:
012785515
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:
| 1507-104 | 43689 | HUNTINGTON INGALLS INC | | 1507-104 ITEM 3 | 43689 | HUNTINGTON INGALLS INC | | 704-5940676 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 704-5940676 ITEM 3 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| ANGLE BETWEEN CENTERLINES OF SECURING HOLES IN DEG | 90.0 | | BORE DIAMETER | 3.0020 INCHES NOMINAL | | CHAMFER ANGLE IN DEG | 45.0 | | COUNTERSINK MAJOR DIAMETER AND LOCATION | 0.4100 INCHES NOMINAL ALL HOLES | | COUNTERSUNK HOLE ANGLE IN DEG AND LOCATION | 90.0 ALL HOLES | | LARGEST DIAMETER LENGTH | 3.630 INCHES NOMINAL | | OUTSIDE DIAMETER | 4.250 INCHES NOMINAL | | MATERIAL | COPPER ALLOY | | NOMINAL THREAD SIZE | 0.375 INCHES ALL HOLES | | SCREW THREAD SERIES DESIGNATOR AND LOCATION | ALL HOLES UNC | | SECURING HOLE QUANTITY | 2 | | SECURING HOLE TYPE AND LOCATION | THREADED-COUNTERSUNK ALL HOLES | | SPECIAL FEATURES | COUNTERBORE THD 3.375-8UN-2B X 1.310 IN. LG,COUNTERSINK 3.430 IN. DIA X 0.620 IN. LG | | STYLE DESIGNATOR | ROUND W/SINGLE CHAMFER | | THICKNESS | 3.880 INCHES NOMINAL |
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