NSN 3040-01-050-9520

Part Details | WORM SHAFT

3040-01-050-9520 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: 9993CC476, 3040-01-050-9520, 01-050-9520, 3040010509520, 010509520

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30NOV 16, 197701-050-952018249 ( WORM SHAFT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3040-01-050-9520
Part Number Cage Code Manufacturer
9993CC47695270SKURKA AEROSPACE INC.
Technical Data | NSN 3040-01-050-9520
Characteristic Specifications
SHAFT HARDNESS RATING34.0 ROCKWELL C MAXIMUM
WORM THREAD QUANTITY2
WORM PRESSURE ANGLE IN DEG14.500
WORM THREAD DIRECTION RIGHT-HAND
WORM HELIX ANGLE6 DEG 31 MIN
WORM OUTSIDE DIAMETER1.236 INCHES MINIMUM AND 1.241 INCHES MAXIMUM
WORM PITCH DIAMETER1.115 INCHES NOMINAL
WORM THREAD SECTION LENGTH1.240 INCHES MINIMUM AND 1.245 INCHES MAXIMUM
WORM BODY LENGTH3.620 INCHES MINIMUM AND 3.625 INCHES MAXIMUM
WORM BODY TAPERED BEARING SURFACE END NOT PROVIDED
SHAFT LOCATION BOTH ENDS OF WORM
END SIMILARITY NOT IDENTICAL
OVERALL LENGTH7.440 INCHES NOMINAL