Product Details | CLUTCH DISK

2520-00-657-8569 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.

Part Alternates: CM5482, 6578569, 2520-00-657-8569, 00-657-8569, 2520006578569, 006578569

Vehicular Equipment Components | Vehicular Power Transmission Components

Supply Group (FSG) NSN Assign. NIIN
25 01 JAN 1963 00-657-8569

Cross Reference | NSN 2520-00-657-8569

Part Number Cage Code Manufacturer
6578569 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
CM5482 22852 SPALLA INC

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Technical Data | NSN 2520-00-657-8569

Characteristic Specifications
DISK MATERIAL STEEL
DESIGN TYPE DRY
FLEXIBILITY RIGID
DISK TYPE EXTERNAL SLOT
CONSTRUCTION SOLID
SPLINE TYPE STRAIGHT
SPLINE QUANTITY 6
SPLINE MAJOR DIAMETER 2.002 INCHES MINIMUM AND 2.008 INCHES MAXIMUM
FEATURES PROVIDED FRICTION MATERIAL FACING
SPECIAL FEATURES OIL DEFLECTOR QUANTITY: 2; OIL DEFLECTOR OUTSIDE DIAMETER: 9.688 IN. NOMINAL; INTEGRAL HUB INCLUDED
(NON-CORE DATA) SPLINE MINOR DIAMETER 1.706 INCHES MINIMUM AND 1.712 INCHES MAXIMUM
(NON-CORE DATA) SLOT WIDTH 0.219 INCHES NOMINAL
(NON-CORE DATA) OVERALL LENGTH 2.313 INCHES NOMINAL
(NON-CORE DATA) THICKNESS 0.085 INCHES NOMINAL
(NON-CORE DATA) MATERIAL THICKNESS 0.187 INCHES NOMINAL
(NON-CORE DATA) LARGEST OUTSIDE DIAMETER 16.750 INCHES NOMINAL
(NON-CORE DATA) MATERIAL LOCATION BOTH SIDES
(NON-CORE DATA) DESIGN FORM SOLID
(NON-CORE DATA) ASBESTOS COMPOSITION TYPE WIRE WOVEN
(NON-CORE DATA) MATERIAL OUTSIDE DIAMETER 16.750 INCHES NOMINAL
(NON-CORE DATA) MATERIAL INSIDE DIAMETER 10.000 INCHES NOMINAL
(NON-CORE DATA) FACING ATTACHMENT METHOD RIVETED
(NON-CORE DATA) DISTANCE FROM FLYWHEEL FACE TO REAR OF HUB 1.188 INCHES NOMINAL
(NON-CORE DATA) SMALLEST INSIDE DIAMETER 10.125 INCHES NOMINAL
(NON-CORE DATA) ANGLE BETWEEN SLOTS IN DEG 60.000 NOMINAL
(NON-CORE DATA) MATERIAL ASBESTOS
(NON-CORE DATA) FSC APPLICATION FRICTION CLUTCH,HIGH SPEED

Restrictions/Controls & Freight Information | NSN 2520-00-657-8569

Category Code Description
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 126840 POWER TRANS BELT CLAMPS,GUIDES ETC
Less than car load rating M 85
Less than truck load rating M 85.0
Water commodity Code 885 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable