National Stock Number (NSN) 2520-01-128-5652, or NIIN 011285652, (disk,clutch,vehicular) was assigned March 25, 1982 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2520010730070.
There are 10 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 23 contracts issued for this part number, with 29 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 9 different suppliers. The last contract numbers awarded were: SPE7L025F0528, SPE7L324V3521, SPE7LX23F426W, SPE7LX23F255P, SPE7LX22F57NJ. The total value of the awarded contracts has been US$ 1,242,795.42.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has medium volatility, with an estimated forecasted value of US$ 459,353. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 20, 2018, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
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 2520011285652 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 Aug 01, 2025.