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Vehicular Clutch Disk

NSN: 2520-00-770-7547 | Model: 6763956
ITAR Registered seal

A solid circular disk of wire-woven lining material or ceramic and metal substance and the like, molded to one or both sides and fastened directly or indirectly to the center spline or hub, which receives and transmits motion or power by engagement with the pressure plate assembly and the flywheel or the like. Includes dry or wet type disk, and may include damper springs. This item is designed to be used on tanks, automobiles, construction equipment, and the like in conjunction with a clutch assembly, friction.

NSN Properties and Flags
NATO Stock Number
Yes - ITAR Controlled
Outside Diameter
16.497 inches
0.043 inches
Material Thickness
0.038 inches
Design Type
Material Location
One side
Tooth Arrangement
Design Form
Disk Type
External teeth
Material Outside Diameter
16.497 inches
Material Inside Diameter
14.375 inches
Teeth Quantity Per Disk
Teeth Pitch Diameter
16.6667 inches
Features Provided
Friction material facing and material facing groove
Disk Material
Special Features
4 holes 3/8 -24UNF; 15.375 in. On bolt circle; 90 degrees c toc spacing between holes
Copper alloy
Fsc Application Data
Brake, transmission, combat tank

Pricing and Availability

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NSN 2520-00-770-7547 Datasheet

Supply Class (FSC):
Vehicular Power Transmission Components
Cross Reference:
  • 6763956
  • 7707547
  • 6763956
Cage Codes:
  • General Motors Corp (CAGE 24617)
  • U S Army Tank Automotive Command (CAGE 19207)
  • Allison Transmission, Inc. (CAGE 73342)
Schedule B & Trade:
  • Schedule B: 8483909500 (NAICS 333613)

    Parts, nesoi, of bearing housings & plain shaft bearings, housed bearings, clutches, universal joints, flywheels and transmission shafts

  • SITC: 74890

    Parts, n.E.S., for transmission shafts and cranks, bearing housings, gears, gearing, ball screws, gear boxes, flywheels and pulleys, clutches, etc.

  • End Use: 21180

    Industrial machines, other


P - Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of federal standard 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.


U - Precious metal content is unknown


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

Freight Information:
  • NMFC:

    126840 - Power trans belt clamps, guides etc

  • WCC:

    885 - Vehicles, mhe, road construction, repair parts and components

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • LCL:

    M - 85.0

  • LTL:

    M - 85.0

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • TCC:

    Z - No special type of cargo code applicable

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 2520-00-770-7547 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Austria, Denmark, Greece, and Turkey
What is the NIIN of NSN 2520-00-770-7547?
007707547 or 00-770-7547
Does NSN 2520-00-770-7547 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 2520-00-770-7547?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1962