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Helical Gear NSN 3020-00-249-9937

Item Description

A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also gear, antibacklash, helical:

NSN 3020-00-249-9937 NSN: 3020-00-249-9937

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Features and Characteristics

Body Style
Plain, solid
Pitch Diameter
Between 1.3940 inches and 1.3960 inches
Teeth Quantity
13
Bore Style
W/ keyway both ends
Hardness Rating
21.0 rockwell c
Outside Diameter
1.6005 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
14.5000 degrees
Helix Angle
21.2666 degrees
Face Width
0.7485 inches
Bore Diameter
0.4985 inches both ends
Keyway Width
0.1276 inches both ends
Distance From Bore Center To Keyway Bottom
0.3302 inches both ends
Special Features
Counterbore 1st end 0.1375 in. Deep by 0.5625 in. Dia
Material
Steel comp 1137
Material Specification
66 federal standard single material response and aisi/sae 1137 assn standard single material response
Style Designator
Hubless
FSC
3020 Transmission Chain Sprockets Pulleys Gears
NIIN
002499937
NSN
3020002499937

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
Y400H209REVA
Cage Code:
14351
Status:
A
MSDS:
Part Number:
850596
Cage Code:
77237
Status:
A
MSDS:
Part Number:
07-850596
Cage Code:
16662
Status:
A
MSDS:
Part Number:
09-5715
Cage Code:
16662
Status:
A
MSDS:
Part Number:
5715
Cage Code:
78640
Status:
A
MSDS:
Part Number:
Y400H209
Cage Code:
14351
Status:
A
MSDS:
Part Number:
DC2588
Cage Code:
30076
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8483409000
  • NAICS: 333612
  • SITC: 74840
  • Description: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 3020-00-249-9937
What are the manufacturers of nsn 3020002499937?
Does this nsn 3020002499937 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3020002499937
A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. see also gear, antibacklash, helical:
Does nsn 3020002499937 contain any precious metals?
Precious metal content is unknown.
Does nsn 3020002499937 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3020002499937?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05464
FIIG:
A27300
App. Key:
AF
Cond. Code:
1
Status:
A

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