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National Stock Number:
3040-01-413-9067
Federal Supply Class:
3040
National Item Identification Number:
014139067
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:
| 845-6556577 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 845-6603141-129 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A304 ASSN STD SINGLE MATERIAL RESPONSE | | OVERALL LENGTH | 15.200 INCHES NOMINAL | | MATERIAL | STEEL | | SHAFT LOCATION | BOTH ENDS OF WORM | | STRAIGHT UNTHREADED SECTION DIAMETER | 1.770 INCHES NOMINAL SECOND END SECOND PORTION | | SPECIAL FEATURES | SECOND END HAS SECOND KEYWAY,0.375 IN. WIDTH, 0.204 IN. DEPTH | | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED | | WORM HELIX ANGLE | 4 DEG 15 MIN | | WORM OUTSIDE DIAMETER | 2.942 INCHES MINIMUM AND 2.946 INCHES MAXIMUM | | WORM PITCH DIAMETER | 2.505 INCHES NOMINAL | | WORM THREAD DIRECTION | LEFT-HAND | | WORM PRESSURE ANGLE IN DEG | 20.000 | | WORM THREAD LEAD | 0.5088 INCHES NOMINAL | | WORM THREAD QUANTITY | 1 | | WORM THREAD SECTION LENGTH | 3.560 INCHES MINIMUM AND 3.600 INCHES MAXIMUM |
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