Product Details | CLUTCH DISK

2520-00-957-9870 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: 1527, 318821R1, 2520-00-957-9870, 00-957-9870, 2520009579870, 009579870

Vehicular Equipment Components | Vehicular Power Transmission Components

Supply Group (FSG) NSN Assign. NIIN
25 01 JAN 1962 00-957-9870

Drawings & Photos | NSN 2520-00-957-9870


Cross Reference | NSN 2520-00-957-9870

Part Number Cage Code Manufacturer
1527 79370 THE S K WELLMAN CORP DBA WELLMAN FRICTION PRODUCTS
318821R1 0SAT8 KOMATSU AMERICA CORP.
318821R1 29510 KOMATSU AMERICAN INTL CO
318821R1 31007 NAVISTAR INTL CORP
318821R1 92679 NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION

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Technical Data | NSN 2520-00-957-9870

Characteristic Specifications
DISK MATERIAL STEEL
DESIGN TYPE DRY
FLEXIBILITY RIGID
DISK TYPE INTERNAL TEETH
CONSTRUCTION SOLID
OUTSIDE DIAMETER 14.969 INCHES MINIMUM AND 15.000 INCHES MAXIMUM
TEETH QUANTITY PER DISK 58
FEATURES PROVIDED FRICTION MATERIAL FACING
(NON-CORE DATA) THICKNESS 0.114 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
(NON-CORE DATA) MATERIAL THICKNESS 0.022 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 14.969 INCHES MINIMUM AND 15.000 INCHES MAXIMUM
(NON-CORE DATA) MATERIAL INSIDE DIAMETER 12.250 INCHES NOMINAL
(NON-CORE DATA) FACING ATTACHMENT METHOD BONDED
(NON-CORE DATA) TEETH PITCH DIAMETER 11.600 INCHES NOMINAL
(NON-CORE DATA) MATERIAL BRONZE
(NON-CORE DATA) FSC APPLICATION DATA CLUTCH GROUP,CRAWLER TYPE TRACTOR
MANUFACTURERS CODE 29510
DESIGN CONTROL REFERENCE 318821R1

Restrictions/Controls & Freight Information | NSN 2520-00-957-9870

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 2520-00-957-9870

Category Code Description
Cognizance Codes9CNavy-owned stocks of defense construction material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9CDefense Supply Center Columbus
Columbus, OH 43215
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
1
EA : Each