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Worm Shaft NSN 3040-00-421-1679

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 3040-00-421-1679 NSN: 3040-00-421-1679

Features and Characteristics

End Similarity
Not identical
Thread Length
0.261 inches first end, fifth portion
Overall Length
4.410 inches
Screw Thread Series Designator
Unf first end
Shaft Thread Direction
Right-hand first end, fifth portion
Teeth Hardness Rating
Between 26.0 rockwell c and 31.0 rockwell c
Worm Thread Quantity
1
Worm Thread Lead
0.125 inches
Worm Thread Direction
Left-hand
Worm Pressure Angle In Deg
14.500
Worm Helix Angle
5 degrees 11 min
Worm Outside Diameter
Between 0.513 inches and 0.518 inches
Worm Pitch Diameter
Between 0.436 inches and 0.438 inches
Shaft Hardness Rating
Between 26.0 rockwell c and 31.0 rockwell c
Worm Thread Section Length
Between 0.740 inches and 0.750 inches
Worm Body Length
Between 0.740 inches and 0.750 inches
Worm Body Tapered Bearing Surface End
Not provided
Shaft Location
Both ends of worm
Straight Unthreaded Length
1.750 inches second end, third portion
Straight Unthreaded Section Diameter
0.340 inches first end, third portion
Material
Steel, corrosion resisting
Material
Stainless steel
Surface Treatment
Passivate
Surface Treatment
Passivated
Fsc Application Data
Mount, telescope
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
004211679
NSN
3040004211679

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
10512780
Cage Code:
19200
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 3040-00-421-1679
What are the manufacturers of nsn 3040004211679?
Does this nsn 3040004211679 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040004211679
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 3040004211679 contain any precious metals?
No precious metal content.
Does nsn 3040004211679 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040004211679?
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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