National Stock Number
2520-00-400-4321
National Stock Number (NSN) 2520-00-400-4321, or NIIN 004004321, (torque converter,vehicular) was assigned February 28, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 52062. [A VEHICULAR ITEM DESIGNED TO TRANSMIT ROTARY MOTION FROM A DRIVING MEMBER TO A DRIVEN MEMBER THROUGH A REACTION MEMBER(S) BY TRANSFER OF THE KINETIC ENERGY OF A FLUID. IT PROVIDES AUTOMATIC SELECTION OF THE OPTIMUM TORQUE CONVERSION RATIO WITH A RETURN TO THE 1 TO 1 STATE AT THE EARLIEST POSSIBLE MOMENT. MAY HAVE FLYWHEEL FEATURES AND FACILITIES FOR DIRECT DRIVE.]. 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 2520004004321 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.