National Stock Number
2520-00-347-4520
National Stock Number (NSN) 2520-00-347-4520, or NIIN 003474520, (transmission,mechanical,vehicula) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2520006926064.
There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. 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.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 52152. [A VEHICULAR DEVICE DESIGNED TO INCREASE, DECREASE, AND/OR REVERSE THE ROTATION BETWEEN THE DRIVE AND DRIVEN SHAFT OR SHAFTS. IT MAY OR MAY NOT INCLUDE THE SHIFTING CONTROL MECHANISM WHICH CHANGES RATIOS AND/OR DIRECTION OF ROTATION. EXCLUDES TRANSMISSION, CROSS-DRIVE AND TRANSMISSIONS WITH CONTROLLED DIFFERENTIALS.]. 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 2520003474520 contains an unknown precious metal.
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.