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National Stock Number:
3040-01-231-7167
Federal Supply Class:
3040
National Item Identification Number:
012317167
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:
| 1105132 | 28298 | SMITH AND SMITH AIRCRAFT CO |
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Techincal Specification:
| MATERIAL | STEEL | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL LENGTH | 8.444 INCHES NOMINAL | | SHAFT LOCATION | ONE END OF WORM | | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED | | WORM HELIX ANGLE | 2 DEG 40 MIN | | WORM OUTSIDE DIAMETER | 6.699 INCHES NOMINAL | | WORM PITCH DIAMETER | 0.750 INCHES NOMINAL | | WORM PRESSURE ANGLE IN DEG | 14.500 | | WORM THREAD DIRECTION | RIGHT-HAND | | WORM THREAD LEAD | 0.042 INCHES NOMINAL | | WORM THREAD QUANTITY | 2 | | TEETH HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
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