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Worm Shaft

NSN: 3040-00-385-7808 | Model: 7189604
ITAR Registered seal

A drive shaft having helical threa (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.

NSN Properties and Flags
NATO Stock Number
3040-00-385-7808
DEMIL
Yes - ITAR Controlled (Code B)
End Similarity
Not identical
Thread Length
0.948 inches second end, fourth portion
Spline Major Diameter
1.117 inches second end, third portion
Overall Length
8.875 inches
Keyway Width
0.188 inches first end, third portion
Spline Minor Diameter
1.022 inches second end, third portion
Screw Thread Series Designator
Uns first end, third portion
Shaft Thread Direction
Right-hand second end, fourth portion
Teeth Hardness Rating
Between 35.0 rockwell c and 38.0 rockwell c
Worm Thread Quantity
1
Worm Thread Lead
0.625 inches
Worm Thread Direction
Left-hand
Worm Pressure Angle In Deg
14.500
Worm Helix Angle
4 degrees 33 min.
Worm Outside Diameter
2.8975 inches
Worm Pitch Diameter
2.500 inches
Shaft Hardness Rating
Between 35.0 rockwell c and 38.0 rockwell c
Worm Thread Section Length
3.188 inches
Worm Body Length
3.563 inches
Worm Body Tapered Bearing Surface End
Not provided
Shaft Location
Both ends of worm
Straight Unthreaded Length
0.719 inches second end, first portion
Straight Unthreaded Section Diameter
1.1814 inches second end, second portion
Unthreaded Section Keyway Width
0.1880 inches first end, second portion
Unthreaded Section Keyway Depth
0.094 inches first end, second portion
Straight Spline Length
1.245 inches second end, third portion
Threaded Section Pin Hole Diameter
0.140 inches second end, fourth portion
Straight Spline Quantity
10 either end
Special Features
No. 63 finish on od of second step, on both ends, on spline and worm teeth surfaces
Material
Steel
Material
Steel
Surface Treatment
Phosphate
Surface Treatment
Phosphate
Fsc Application Data
Launcher, 762-mm rocket, truck mounted, xm289

Pricing and Availability

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NSN 3040-00-385-7808 Datasheet

Supply Class (FSC):
Miscellaneous Power Transmission Equipment
Cross Reference:
  • 7189604
Cage Codes:
  • Army, United States Department Of (CAGE 19204)
Schedule B & Trade:
  • Schedule B: 8483105000 (NAICS 333613)

    Transmission shafts and cranks, except camshafts and crankshafts

  • SITC: 74810

    Transmission shafts (including cam and crank shafts) and cranks

  • End Use: 21180

    Industrial machines, other

Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

ADPE

- Represents items with no adp components

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    019940 - Auto transmissions r clutches

  • WCC:

    581 - Automobile parts, new

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • LCL:

    M - 85.0

  • LTL:

    M - 85.0

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • TCC:

    Z - No special type of cargo code applicable

Questions & Answers:
What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 3040-00-385-7808 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Greece
What is the NIIN of NSN 3040-00-385-7808?
003857808 or 00-385-7808
Does NSN 3040-00-385-7808 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 3040-00-385-7808?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963