Worm Shaft NSN 3040-00-971-5975

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: 3040-00-971-5975

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Features and Characteristics

End Similarity

Not identical

Overall Length

Between 4.510 inches and 4.520 inches

Teeth Hardness Rating

Rockwell c, 50 min, 55 max, fed, qq-s-763, class 440f cond a, or rockwell c, 30 min, 35 max, qq-s-mlo, class 416, cond a

Worm Thread Quantity

Worm Thread Lead

0.196 inches

Worm Thread Direction

Right-hand

Worm Pressure Angle In Deg

20.000

Worm Helix Angle

3 degrees 59 min 12 sec

Worm Outside Diameter

Between 1.020 inches and 1.022 inches

Worm Pitch Diameter

0.196 inches

Shaft Hardness Rating

rockwell c, 50 min, 55 max of fed, qq-s-763, class 440f, cond a, or rockwell c, 30 min, 35 max, qq-s-763, class416 cond a

Worm Thread Section Length

Between 1.870 inches and 1.880 inches

Worm Body Length

2.130 inches

Worm Body Tapered Bearing Surface End

Not provided

Shaft Location

Both ends of worm

Straight Unthreaded Length

0.570 inches first end, fourth portion

Straight Unthreaded Section Diameter

0.325 inches second end, third portion

Unthreaded Section Pin Hole Diameter

0.0940 inches first end, fourth portion

Special Features

Fourth portion of first end and fifth portion of second end not hardened

Material

Steel, qq-s-763, class 440f or class 416, cond a

Material

Steel, qq-s-763, class 440f or class 416, cond a

Surface Treatment

Passivate

Surface Treatment

Passivated

Fsc Application Data

Telescope

FSC

3040 Miscellaneous Power Transmission Equipment

NIIN

009715975

NSN

3040009715975

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

8615827

Cage Code:

19200

Status:

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 3040-00-971-5975

What are the manufacturers of nsn 3040009715975?

Us Army Ardec Rdecom (19200)

Does this nsn 3040009715975 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3040009715975
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 3040009715975 contain any precious metals?
No precious metal content.

Does nsn 3040009715975 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3040009715975?
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:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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