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National Stock Number:
3040-00-369-2262
Federal Supply Class:
3040
National Item Identification Number:
003692262
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:
| 78354PC7 | 81316 | PORTSMOUTH NAVAL SHIPYARD | | 78358PC7 | 81316 | PORTSMOUTH NAVAL SHIPYARD | | 9400-343885PC7 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | ASR13-9400-343884PC7 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | ASR13-9400-343885PC7 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | OVERALL LENGTH | 9.625 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-890,CLASS AN MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | STEEL | | SHAFT LOCATION | ONE END OF WORM | | SPECIAL FEATURES | BOTH ENDS FLANGED | | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED | | WORM BODY LENGTH | 8.373 INCHES MINIMUM AND 8.377 INCHES MAXIMUM | | WORM HELIX ANGLE | 20 DEG | | WORM OUTSIDE DIAMETER | 1.933 INCHES NOMINAL | | WORM PITCH DIAMETER | 1.701 INCHES NOMINAL | | WORM PRESSURE ANGLE IN DEG | 20.000 | | WORM THREAD DIRECTION | LEFT-HAND | | WORM THREAD LEAD | 1.9452 INCHES NOMINAL | | WORM THREAD QUANTITY | 4 | | WORM THREAD SECTION LENGTH | 2.500 INCHES NOMINAL | | STRAIGHT UNTHREADED LENGTH | 2.937 INCHES NOMINAL EITHER END, FIRST PORTION | | STRAIGHT UNTHREADED SECTION DIAMETER | 1.374 INCHES MINIMUM EITHER END, FIRST PORTION | | STRAIGHT UNTHREADED SECTION DIAMETER | 1.375 INCHES MAXIMUM EITHER END, FIRST PORTION |
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