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NationalStockNumber.INFO

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Gear Cluster

NSN: 3020-00-021-6659 | Model: 501-150CM154-21

A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complemen (s) or gear teeth, see gearshaft (as modified) . Excludes gear subassembly, speed decreaser.

NSN Properties and Flags
NATO Stock Number
3020-00-021-6659
DEMIL
NO
Attachment Method
Mounting hole
Bore Style
Plain both ends
Design Type
Spur second gear
Construction
Assembled
Thread Size
0.112 inches both ends
Outside Diameter
0.477 inches fourth gear
Nominallength
0.438 inches
Hub Length
0.126 inches between first and second gear
Bore Diameter
0.250 inches both ends
Precision Classification
Quality number 10 first gear or quality number 11 first gear
Material
Steel comp 303se shaft/hub
Material Specification
Qq-a-225/6, alloy 2024, t4 federal specification single material response second gear
Surface Treatment
Passivate second gear
Surface Treatment Specification
Mil-s-5002 military specification single treatment response second gear
Thread Series Designator
Unc both ends

Pricing and Availability

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NSN 3020-00-021-6659 Datasheet

Supply Class (FSC):
Transmission Chain Sprockets Pulleys Gears
Cross Reference:
  • 501-150CM154-21
  • 10131630
Cage Codes:
  • Southern Gear & Machine, Inc. (CAGE 01351)
  • U S Army Aviation and Missile (CAGE 18876)
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 3020-00-021-6659 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Spain, Republic Of Korea, and Turkey
What is the NIIN of NSN 3020-00-021-6659?
000216659 or 00-021-6659
Does NSN 3020-00-021-6659 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 3020-00-021-6659?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1961