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National Stock Number:
3040-01-491-3369
Federal Supply Class:
3040
National Item Identification Number:
014913369
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:
| 167-6985306 PART 32 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6985306 | 53711 | NAVAL SEA SYSTEMS COMMAND | | H542-1701 | 96169 | ELECTRIC BOAT CORPORATION | | H542-1701 PART 32 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| MATERIAL | STEEL CORROSION RESISTING | | SHAFT HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND | | 45.0 ROCKWELL C MAXIMUM | | WORM THREAD QUANTITY | 1 | | WORM PRESSURE ANGLE IN DEG | 14.083 | | WORM THREAD LEAD | 0.4375 INCHES NOMINAL | | WORM THREAD DIRECTION | RIGHT-HAND | | WORM HELIX ANGLE | 5 DEG 18 MIN | | WORM OUTSIDE DIAMETER | 1.7790 INCHES NOMINAL | | WORM PITCH DIAMETER | 1.5000 INCHES NOMINAL | | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED | | SHAFT LOCATION | BOTH ENDS OF WORM | | END SIMILARITY | IDENTICAL | | SCREW THREAD SERIES DESIGNATOR | UNC BOTH ENDS | | SHAFT THREAD DIRECTION | RIGHT-HAND BOTH ENDS | | THREAD LENGTH | 1.0950 INCHES NOMINAL BOTH ENDS | | OVERALL LENGTH | 15.2500 INCHES NOMINAL | | SPECIAL FEATURES | NHA HIGH PRESSURE WATERTIGHT DOOR |
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