NSN 3040-01-310-6603

Part Details | WORM SHAFT

3040-01-310-6603 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: 2640059 PIECE 4, 2640-059 PIECE 4, 1889808 PIECE 4, 1889808, 3040-01-310-6603, 01-310-6603, 3040013106603, 013106603

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30NOV 12, 198901-310-660318249 ( WORM SHAFT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3040-01-310-6603
Part Number Cage Code Manufacturer
2640-059 PIECE 496169ELECTRIC BOAT CORPORATION
1889808 PIECE 480064NAVAL SHIP SYSTEMS COMMAND
188980880064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 3040-01-310-6603
Characteristic Specifications
MATERIAL NICKEL ALLOY
WORM THREAD QUANTITY2
WORM PRESSURE ANGLE IN DEG20.000
WORM THREAD LEAD0.980 INCHES NOMINAL
WORM THREAD DIRECTION RIGHT-HAND
WORM HELIX ANGLE18 DEG 34 MIN
WORM OUTSIDE DIAMETER1.949 INCHES NOMINAL
WORM PITCH DIAMETER1.898 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END NOT PROVIDED
SHAFT LOCATION BOTH ENDS OF WORM
END SIMILARITY NOT IDENTICAL
OVERALL LENGTH11.625 INCHES NOMINAL
END ITEM IDENTIFICATION4820-01-214-8264 VALVE OPERATOR