National Stock Number (NSN) 2520-01-178-5480, or NIIN 011785480, (disk,clutch,vehicular) was assigned May 7, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Feb 05, 2019. There have been 9 contracts issued for this part number, with 9 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7L319V3603, SPE7L319V3603, SPE7L318P6348, SPE7L316M2956, SPE7L316M2956. The total value of the awarded contracts has been US$ 36,942.14.
This NSN is unique to one weapons system.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 04, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 52060. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; 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. NSN 2520011785480 does not contain precious metals.
This NSN is associated to Schedule B 8483909500: parts, nesoi, of bearing housings & plain shaft bearings, housed bearings, clutches, universal joints, flywheels and transmission shafts. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333613: mechanical power transmission equipment manufacturing.
This information was last updated on Jul 01, 2025.