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National Stock Number:
3040-00-712-7699
Federal Supply Class:
3040
National Item Identification Number:
007127699
Description:
WORM SHAFT
Detail:
A DRIVE SHAFT HAVING HELICAL THREAD(S) ON A PORTION OF ITS OUTER SURFACE, MACHINED BEARING SURFACE(S) AND FACILITIES FOR DRIVING (OTHER THAN A HUB) ON ONE OR BOTH ENDS OF SHAFT. DESIGNED TO MATE WITH A CAM, GEAR SECTOR, WORM WHEEL, ETC. INCLUDES ITEMS WITH BEARINGS. EXCLUDES ITEMS HAVING MORE THAN ONE WORM COMPLEMENT OF HELICAL THREADS, ITEMS WITH A SEPARATE COMPLEMENT OF GEAR TEETH, AND GEAR, WORM.
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Manufacturer Information:
| 5H0284 | 11083 | CATERPILLAR INC | | 5H284 | 11083 | CATERPILLAR INC |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | INVOLUTE SPLINE PRESSURE ANGLE IN DEG | 30.0 FIRST END SECOND PORTION | | INVOLUTE SPLINE PITCH DIAMETER | 0.6875 INCHES NOMINAL FIRST END SECOND PORTION | | INVOLUTE SPLINE QUANTITY | 11 FIRST END SECOND PORTION | | OVERALL LENGTH | 12.250 INCHES NOMINAL | | MATERIAL | STEEL | | SHAFT LOCATION | BOTH ENDS OF WORM | | WORM BODY LENGTH | 4.312 INCHES NOMINAL | | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED | | WORM HELIX ANGLE | 28 DEG | | WORM OUTSIDE DIAMETER | 2.250 INCHES NOMINAL | | WORM PITCH DIAMETER | 0.688 INCHES NOMINAL | | WORM THREAD DIRECTION | RIGHT-HAND | | WORM THREAD QUANTITY | 4 | | WORM THREAD LEAD | 2.846 INCHES NOMINAL | | WORM THREAD SECTION LENGTH | 2.750 INCHES NOMINAL | | TEETH HARDNESS RATING | 55.0 ROCKWELL C MINIMUM |
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