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National Stock Number:
3040-00-932-8492
Federal Supply Class:
3040
National Item Identification Number:
009328492
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:
| 12M3663-7 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | INVOLUTE SPLINE LENGTH | 0.375 INCHES NOMINAL FIRST END, SIXTH PORTION | | INVOLUTE SPLINE PITCH DIAMETER | 0.2813 INCHES NOMINAL FIRST END, SIXTH PORTION | | INVOLUTE SPLINE PRESSURE ANGLE IN DEG | 30.0 FIRST END, SIXTH PORTION | | INVOLUTE SPLINE QUANTITY | 1 FIRST END, SIXTH PORTION | | OVERALL LENGTH | 4.250 INCHES NOMINAL | | SHAFT LOCATION | BOTH ENDS OF WORM | | WORM OUTSIDE DIAMETER | 0.316 INCHES NOMINAL | | WORM PITCH DIAMETER | 0.253 INCHES NOMINAL | | WORM PRESSURE ANGLE IN DEG | 20.000 | | WORM THREAD DIRECTION | LEFT-HAND | | WORM THREAD LEAD | 1.540 INCHES NOMINAL | | WORM THREAD QUANTITY | 1 |
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