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National Stock Number:
3040-01-243-1029
Federal Supply Class:
3040
National Item Identification Number:
012431029
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:
| 2873547 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 2873547 | 44114 | BAE SYSTEMS LAND & ARMAMENTS L.P. |
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Techincal Specification:
| MATERIAL | STEEL CORROSION RESISTING | | WORM THREAD QUANTITY | 1 | | WORM PRESSURE ANGLE IN DEG | 14.500 | | WORM THREAD LEAD | 0.083 INCHES NOMINAL | | WORM THREAD DIRECTION | RIGHT-HAND | | WORM OUTSIDE DIAMETER | 0.499 INCHES NOMINAL | | WORM PITCH DIAMETER | 0.447 INCHES NOMINAL | | WORM THREAD SECTION LENGTH | 0.875 INCHES NOMINAL | | WORM BODY LENGTH | 0.218 INCHES NOMINAL | | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED | | SHAFT LOCATION | BOTH ENDS OF WORM | | END SIMILARITY | NOT IDENTICAL | | STRAIGHT UNTHREADED LENGTH | 0.125 INCHES NOMINAL FIRST END, FIRST PORTION | | 0.094 INCHES NOMINAL SECOND END, FIRST PORTION | | STRAIGHT UNTHREADED SECTION DIAMETER | 0.656 INCHES NOMINAL FIRST END, FIRST PORTION | | 0.250 INCHES NOMINAL SECOND END, FIRST PORTION | | SCREW THREAD SERIES DESIGNATOR | UNC SECOND END, SECOND PORTION | | THREAD LENGTH | 0.500 INCHES NOMINAL SECOND END, SECOND PORTION | | SECTION SHAPE | HEXAGON FIRST END, SECOND PORTION | | SHAFT SECTION SIZE | 0.375 IN. ACROSS FLATS | | OVERALL LENGTH | 1.937 INCHES NOMINAL |
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