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National Stock Number:
3040-01-367-4637
Federal Supply Class:
3040
National Item Identification Number:
013674637
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:
| 12950901 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | MATERIAL | STEEL CORROSION RESISTING | | OVERALL LENGTH | 2.870 INCHES NOMINAL | | SPECIAL FEATURES | C/O P/NS 12950924,11741742,MS14104-3K,MS16555-604 W/HOLE DIA 0.0621 | | SHAFT HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM | | SHAFT LOCATION | BOTH ENDS OF WORM | | SURFACE TREATMENT | PASSIVATE | | WORM HELIX ANGLE | 4 DEG 47 MIN | | WORM OUTSIDE DIAMETER | 0.370 INCHES NOMINAL | | WORM PITCH DIAMETER | 0.083 INCHES NOMINAL | | WORM THREAD DIRECTION | LEFT-HAND | | WORM PRESSURE ANGLE IN DEG | 14.500 | | WORM THREAD LEAD | 0.083 INCHES NOMINAL | | WORM THREAD SECTION LENGTH | 0.460 INCHES NOMINAL |
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