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National Stock Number:
3040-01-200-3588
Federal Supply Class:
3040
National Item Identification Number:
012003588
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:
| 2640-619 | 96169 | ELECTRIC BOAT CORPORATION | | 2640-619 PIECE 16 | 96169 | ELECTRIC BOAT CORPORATION | | SS845-2068556 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | SS845-2068556 PIECE 16 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| END SIMILARITY | NOT IDENTICAL | | OVERALL LENGTH | 14.1875 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY | | SCREW THREAD SERIES DESIGNATOR | UNC SECOND END, FIRST PORTION | | SECTION SHAPE | SQUARE SECOND END, SECOND PORTION | | SHAFT LOCATION | BOTH ENDS OF WORM | | SHAFT THREAD DIRECTION | RIGHT-HAND SECOND END, FIRST PORTION | | STRAIGHT UNTHREADED LENGTH | 3.579 INCHES NOMINAL SECOND END, THIRD PORTION | | STRAIGHT UNTHREADED SECTION DIAMETER | 1.559 INCHES NOMINAL SECOND END, THIRD PORTION | | WORM BODY LENGTH | 6.546 INCHES NOMINAL | | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED | | WORM OUTSIDE DIAMETER | 2.680 INCHES MINIMUM AND 2.683 INCHES MAXIMUM | | WORM THREAD SECTION LENGTH | 3.671 INCHES NOMINAL | | THREAD LENGTH | 1.125 INCHES NOMINAL SECOND END, FIRST PORTION |
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