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Worm Shaft NSN 3040-00-385-7731

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 3040-00-385-7731 NSN: 3040-00-385-7731

Features and Characteristics

End Similarity
Not identical
Overall Length
10.563 inches
Teeth Hardness Rating
Between 33.0 rockwell c and 35.0 rockwell c
Worm Thread Quantity
1
Worm Thread Lead
0.6253 inches
Worm Thread Direction
Right-hand
Worm Pressure Angle In Deg
14.500
Worm Helix Angle
4 degrees 34 min.
Worm Outside Diameter
2.8866 inches
Worm Pitch Diameter
2.4886 inches
Shaft Hardness Rating
Between 33.0 rockwell c and 35.0 rockwell c
Worm Thread Section Length
3.750 inches
Worm Body Length
6.376 inches
Worm Body Tapered Bearing Surface End
Not provided
Shaft Location
Both ends of worm
Straight Unthreaded Length
1.687 inches second end, first portion
Straight Unthreaded Section Diameter
1.000 inches second end, second portion
Unthreaded Section Keyway Width
0.2485 inches second end, second portion
Unthreaded Section Keyway Depth
0.139 inches second end, second portion
Special Features
Both ends chamfered 0.0625 by 45 degrees and thread surface finish 32aa
Material
Steel
Material
Steel
Surface Treatment
Oxide
Surface Treatment
Black oxide
Fsc Application Data
Launcher, 762-mm rocket, truck mounted, xm289
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
003857731
NSN
3040003857731

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7186995
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 3040-00-385-7731
What are the manufacturers of nsn 3040003857731?
Does this nsn 3040003857731 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040003857731
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 3040003857731 contain any precious metals?
No precious metal content.
Does nsn 3040003857731 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040003857731?
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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  •   Quality Inspected Parts
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