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Spur Gear

NSN: 3020-01-230-0139 | Model: 142D5083

A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also gear, antibacklash, spur. For bulk material, see rod, pinion.

NSN Properties and Flags
NATO Stock Number
3020-01-230-0139
DEMIL
NO
Body Style
Plain, solid
Pitch Diameter
3.7500 inches
Teeth Quantity
60
Bore Style
Plain both ends
Hardness Rating
30.0 rockwell c and 38.0 rockwell c
Outside Diameter
3.850 inches
Tooth Form
Standard
Flange Diameter
2.920 inches
Pilot Length
0.362 inches
Pressure Angle
20.0000 degrees
Flange Thickness
0.249 inches
Face Width
0.200 inches
Bore Diameter
0.751 inches both ends
Bore Depth
1.791 inches both ends
Distance Between Outer Body Face And Inner Flange Face
1.180 inches
Hub Diameter
1.000 inches between body and flange
Precision Classification
Quality number 8
Pilot Diameter
1.498 inches
Material
Steel
Surface Treatment
Phosphate
Style Designator
Flanged end with pilot

Pricing and Availability

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NSN 3020-01-230-0139 Datasheet

Supply Class (FSC):
Transmission Chain Sprockets Pulleys Gears
Cross Reference:
  • 142D5083
Cage Codes:
  • Ots, Inc. General Dynamics (CAGE 05606)
Schedule B & Trade:
  • Schedule B: 8483409000 (NAICS 333612)

    Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately

  • SITC: 74840

    Gears and gearing; ball screws; gear boxes and other speed changers (including torque converters)

  • End Use: 21180

    Industrial machines, other

Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 3020-01-230-0139 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Belgium, United Kingdom, Netherlands, and Portugal
What is the NIIN of NSN 3020-01-230-0139?
012300139 or 01-230-0139
Does NSN 3020-01-230-0139 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 3020-01-230-0139?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Apr 08, 1986