Product Details | CLUTCH DISK

2520-00-737-4686 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: 6704122, 7374686, 2520-00-737-4686, 00-737-4686, 2520007374686, 007374686

Vehicular Equipment Components | Vehicular Power Transmission Components

Supply Group (FSG) NSN Assign. NIIN
25 01 JAN 1963 00-737-4686

Cross Reference | NSN 2520-00-737-4686

Part Number Cage Code Manufacturer
6704122 22852 SPALLA INC
6704122 73342 ALLISON TRANSMISSION, INC.
7374686 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

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Technical Data | NSN 2520-00-737-4686

Characteristic Specifications
DISK MATERIAL STEEL
DESIGN TYPE WET
FLEXIBILITY RIGID
DISK TYPE INTERNAL TEETH
OUTSIDE DIAMETER 16.438 INCHES NOMINAL
TEETH QUANTITY PER DISK 112
(NON-CORE DATA) THICKNESS 0.122 INCHES NOMINAL
(NON-CORE DATA) TOOTH ARRANGEMENT CONTINUOUS
(NON-CORE DATA) DESIGN FORM SOLID
(NON-CORE DATA) TEETH PITCH DIAMETER 14.000 INCHES NOMINAL
(NON-CORE DATA) FSC APPLICATION DATA LOW AND REVERSE RANGE,TRANSMISSION
MANUFACTURERS CODE 73342
DESIGN CONTROL REFERENCE 6704122

Restrictions/Controls & Freight Information | NSN 2520-00-737-4686

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:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
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 V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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