Product Details | CLUTCH DISK

2520-00-741-1657 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: 7411657, 8613621, 2520-00-741-1657, 00-741-1657, 2520007411657, 007411657

Vehicular Equipment Components | Vehicular Power Transmission Components

Supply Group (FSG) NSN Assign. NIIN
25 01 JAN 1963 00-741-1657

Cross Reference | NSN 2520-00-741-1657

Part Number Cage Code Manufacturer
7411657 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
8613621 22852 SPALLA INC
8613621 23862 MILITARY VEHICLES OPN GENERAL MOTORS TRUCK AND BUS GROUP
8613621 24617 GENERAL MOTORS CORP
8613621 72590 HYDRAMATIC DIV OF GENERAL MOTORS CORP
8613621 7X677 GENERAL MOTORS LLC DBA GENERAL MOTORS

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Technical Data | NSN 2520-00-741-1657

Characteristic Specifications
DISK MATERIAL STEEL
DESIGN TYPE WET
FLEXIBILITY RIGID
DISK TYPE INTERNAL TEETH
CONSTRUCTION SOLID
OUTSIDE DIAMETER 7.531 INCHES NOMINAL
TEETH QUANTITY PER DISK 63
FEATURES PROVIDED FRICTION MATERIAL FACING AND MATERIAL FACING GROOVE
(NON-CORE DATA) THICKNESS 0.049 INCHES NOMINAL
(NON-CORE DATA) MATERIAL THICKNESS 0.019 INCHES NOMINAL
(NON-CORE DATA) MATERIAL LOCATION BOTH SIDES
(NON-CORE DATA) TOOTH ARRANGEMENT CONTINUOUS
(NON-CORE DATA) DESIGN FORM SOLID
(NON-CORE DATA) MATERIAL OUTSIDE DIAMETER 7.500 INCHES NOMINAL
(NON-CORE DATA) MATERIAL INSIDE DIAMETER 5.500 INCHES NOMINAL
(NON-CORE DATA) FACING ATTACHMENT METHOD BONDED
(NON-CORE DATA) TEETH PITCH DIAMETER 4.7648 INCHES NOMINAL
(NON-CORE DATA) MATERIAL SINTERED BRONZE
(NON-CORE DATA) FSC APPLICATION DATA DRIVE REDUCTION UNIT CLUTCH,TRUCK

Restrictions/Controls & Freight Information | NSN 2520-00-741-1657

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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

Management | NSN 2520-00-741-1657

Category Code Description
Cognizance Codes9ANavy-owned stocks of parts peculiar to combat and tactical vehicles of Army design
Naval Inventory Control Point, Mechanicsburg
Source of SupplyAKZUS Army Tank-Automotive and Armaments Command
Warren, MI 48397-5000
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
7
EA : Each