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Worm Shaft NSN 3040-00-385-7808

Item Description

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.

NSN 3040-00-385-7808 NSN: 3040-00-385-7808

Features and Characteristics

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
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
003857808
NSN
3040003857808

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7189604
Cage Code:
19204
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8483105000
  • NAICS: 333613
  • SITC: 74810
  • Description: Transmission shafts and cranks, except camshafts and crankshafts
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 3040-00-385-7808
What are the manufacturers of nsn 3040003857808?
Does this nsn 3040003857808 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040003857808
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.
Does nsn 3040003857808 contain any precious metals?
No precious metal content.
Does nsn 3040003857808 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040003857808?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
18249
FIIG:
T246-C
App. Key:
CA
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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