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National Stock Number:
3040-01-342-2491
Federal Supply Class:
3040
National Item Identification Number:
013422491
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:
| 7400C-250 | 97674 | CONE DRIVE OPERATIONS INC | | 7460C250 | 97674 | CONE DRIVE OPERATIONS INC |
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Techincal Specification:
| END SIMILARITY | IDENTICAL | | OVERALL LENGTH | 18.603 INCHES NOMINAL | | MATERIAL | STEEL | | SHAFT LOCATION | BOTH ENDS OF WORM | | UNTHREADED SECTION KEYWAY DEPTH | 2.750 INCHES NOMINAL SECOND END | | UNTHREADED SECTION KEYWAY DEPTH | 3.500 INCHES NOMINAL FIRST END | | WORM BODY LENGTH | 6.870 INCHES NOMINAL | | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED | | WORM OUTSIDE DIAMETER | 2.270 INCHES NOMINAL | | WORM THREAD DIRECTION | RIGHT-HAND | | STRAIGHT UNTHREADED LENGTH | 6.312 INCHES NOMINAL FIRST END | | STRAIGHT UNTHREADED LENGTH | 5.437 INCHES NOMINAL SECOND END | | STRAIGHT UNTHREADED SECTION DIAMETER | 1.499 INCHES NOMINAL BOTH ENDS | | TEETH HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
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