Product Details | UNIVERSAL JOINT

2520-00-634-8821 A flexible connection designed for vehicular applications which permits rotary motion to be transmitted between two shafts located at an angle to each other. The angle between the shafts may be continually varied within certain limits; the connecting ends must have either a flange, hub, or splined stub shaft; the plain portion of a splined stub shaft must not exceed the length of the splines. Excludes drive or propeller shafts with joint(s) at one or both ends. See UNIVERSAL JOINT,GEARED.

Part Alternates: 12107, 3H2852, 2520-00-634-8821, 00-634-8821, 2520006348821, 006348821

Vehicular Equipment Components | Vehicular Power Transmission Components

Supply Group (FSG) NSN Assign. NIIN
25 01 JAN 1963 00-634-8821

Cross Reference | NSN 2520-00-634-8821

Part Number Cage Code Manufacturer
12107 78500 MERITOR HEAVY VEHICLE SYSTEMS LLC DIV MERITOR HEAVY VEHICLE SYSTEMS,
3H2852 11083 CATERPILLAR INC. DBA CATERPILLAR

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Technical Data | NSN 2520-00-634-8821

Characteristic Specifications
OVERALL LENGTH 7.250 INCHES NOMINAL
SPECIAL FEATURES CONNECTION END TYPE, FIRST END: FLANGE; CONNECTION END TYPE, SECOND END: SHAFT
(NON-CORE DATA) BOLT CIRCLE DIAMETER 2.245 INCHES MINIMUM 2.250 INCHES MINIMUM
(NON-CORE DATA) SPLINE QUANTITY 13
(NON-CORE DATA) MOUNTING HOLE DIAMETER 0.381 INCHES MINIMUM 0.385 INCHES MAXIMUM
(NON-CORE DATA) OVERALL DIAMETER 2.938 INCHES NOMINAL
(NON-CORE DATA) PITCH DIAMETER 1.0833 INCHES NOMINAL
(NON-CORE DATA) FLANGE STYLE E6
(NON-CORE DATA) LENGTH FROM UNIVERSAL JOINT SPIDER CENTERLINE TO FLANGE OUTER FACE 2.938 INCHES NOMINAL
(NON-CORE DATA) SPLINE PRESSURE ANGLE IN DEG 30.0
(NON-CORE DATA) SPLINE LENGTH 2.375 INCHES NOMINAL
(NON-CORE DATA) SHAFT END SPLINE TYPE INVOLUTE
(NON-CORE DATA) LENGTH FROM UNIVERSAL JOINT SPIDER CENTERLINE TO SHAFT END 4.212 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 2520-00-634-8821

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
No Freight Information

Management | NSN 2520-00-634-8821

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