NSN 3040-01-508-6581

Part Details | WORM SHAFT

3040-01-508-6581 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.

Alternate Parts: B434821224, B434-8212-24, B434820579, B434-8205-79, 7410365, 7409253, 596741036579, 596-7410365-79, 596740925324, 596-7409253-24, 3040-01-508-6581, 01-508-6581, 3040015086581, 015086581

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30MAY 29, 200301-508-658118249 ( WORM SHAFT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3040-01-508-6581
Part Number Cage Code Manufacturer
B434-8212-2496169ELECTRIC BOAT CORPORATION
B434-8205-7996169ELECTRIC BOAT CORPORATION
741036553711NAVAL SEA SYSTEMS COMMAND
740925353711NAVAL SEA SYSTEMS COMMAND
596-7410365-7953711NAVAL SEA SYSTEMS COMMAND
596-7409253-2453711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 3040-01-508-6581
Characteristic Specifications
MATERIAL NICKEL ALLOY
WORM THREAD QUANTITY4
WORM PRESSURE ANGLE IN DEG14.500
WORM THREAD LEAD0.500 INCHES NOMINAL
WORM THREAD DIRECTION RIGHT-HAND
WORM HELIX ANGLE14.03624 DEG
WORM OUTSIDE DIAMETER2.000 INCHES NOMINAL
WORM BODY LENGTH36.125 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END PROVIDED
TAPERED BEARING SURFACE LARGEST DIAMETER2.000 INCHES NOMINAL
TAPERED BEARING SURFACE SMALLEST DIAMETER1.760 INCHES NOMINAL
TAPERED BEARING SURFACE LENGTH0.120 INCHES NOMINAL
SHAFT LOCATION ONE END OF WORM
OVERALL LENGTH36.125 INCHES NOMINAL
SPECIAL FEATURESPART 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.
END ITEM IDENTIFICATIONSEAWOLF CLASS SUBMARINE SSN 23, EXTERNAL STBD TRAY HANDLING WINCH CABLE DRUM LEVEL WIND ASSEMBLY