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National Stock Number:
3040-01-508-6581
Federal Supply Class:
3040
National Item Identification Number:
015086581
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:
| 596-7409253-24 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 596-7410365-79 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 7409253 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 7410365 | 53711 | NAVAL SEA SYSTEMS COMMAND | | B434-8205-79 | 96169 | ELECTRIC BOAT CORPORATION | | B434-8212-24 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| OVERALL LENGTH | 36.125 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY | | SHAFT LOCATION | ONE END OF WORM | | SPECIAL FEATURES | PART NAME BY CONTROLLING AGENCY: SCREW, POWER LH. FIRST END, EIGHTH PORTION, TWO PARALLEL FLATS 2.50 ACROSS. ACME THREAD AREA 18.00 FROM FIRST END HAS 1.88 HOLE DRILLED THUR. NOTE: REFERENCING DRAWING 596-7410365-79 WILL SHOW, SCREW POWER LH, P/N B434-8212-23. FOR CORRECTION TO DRAWING REFER TO (ER) ENGINEERING REPORT ERMF02198 INDICATING DRAWING 596-7410365-79 IS NOW, SCREW POWER RH, P/N B434-8212-24. | | UNTHREADED SECTION KEYWAY DEPTH | 0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM FIRST END THIRD PORTION | | UNTHREADED SECTION KEYWAY WIDTH | 0.2490 INCHES MINIMUM AND 0.2650 INCHES MAXIMUM FIRST END THIRD PORTION | | WORM BODY LENGTH | 36.125 INCHES NOMINAL | | WORM HELIX ANGLE | 14.03624 DEG | | WORM BODY TAPERED BEARING SURFACE END | PROVIDED | | WORM OUTSIDE DIAMETER | 2.000 INCHES NOMINAL | | WORM PRESSURE ANGLE IN DEG | 14.500 | | WORM THREAD DIRECTION | RIGHT-HAND | | WORM THREAD LEAD | 0.500 INCHES NOMINAL | | WORM THREAD QUANTITY | 4 | | TAPERED BEARING SURFACE LARGEST DIAMETER | 2.000 INCHES NOMINAL | | TAPERED BEARING SURFACE LENGTH | 0.120 INCHES NOMINAL | | TAPERED BEARING SURFACE SMALLEST DIAMETER | 1.760 INCHES NOMINAL |
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