Product Details | WORM SHAFT

3040-00-446-3993 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.

Part Alternates: 9139199, 3040-00-446-3993, 00-446-3993, 3040004463993, 004463993

Mechanical Power Transmission Equipment | Miscellaneous Power Transmission Equipment

Supply Group (FSG) NSN Assign. NIIN
30 01 JAN 1963 00-446-3993

Cross Reference | NSN 3040-00-446-3993

Part Number Cage Code Manufacturer
9139199 18876 U S ARMY AVIATION AND MISSILE COMMAND

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Technical Data | NSN 3040-00-446-3993

Characteristic Specifications
MATERIAL STEEL
SURFACE TREATMENT PASSIVATED
WORM THREAD QUANTITY 1
WORM PRESSURE ANGLE IN DEG 20.000
WORM THREAD LEAD 0.100 INCHES NOMINAL
WORM THREAD DIRECTION RIGHT-HAND
WORM HELIX ANGLE 4 DEG
WORM OUTSIDE DIAMETER 0.519 INCHES NOMINAL
WORM PITCH DIAMETER 0.455 INCHES NOMINAL
WORM THREAD SECTION LENGTH 0.750 INCHES NOMINAL
WORM BODY LENGTH 0.750 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END NOT PROVIDED
SHAFT LOCATION ONE END OF WORM
END SIMILARITY NOT IDENTICAL
STRAIGHT UNTHREADED LENGTH 0.594 INCHES NOMINAL FIRST END, FIRST PORTION 0.031 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER 0.365 INCHES NOMINAL FIRST END, FIRST PORTION 0.298 INCHES NOMINAL FIRST END, SECOND PORTION
OVERALL LENGTH 1.375 INCHES NOMINAL
MANUFACTURERS CODE 18876
DESIGN CONTROL REFERENCE 9139199

Restrictions/Controls & Freight Information | NSN 3040-00-446-3993

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 019940 AUTO TRANSMISSIONS R CLUTCHES
Less than car load rating M 85
Less than truck load rating M 85.0
Water commodity Code 581 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable