National Stock Number
2520-00-355-7555
National Stock Number (NSN) 2520-00-355-7555, or NIIN 003557555, (transmission,mechanical,vehicular) was assigned February 8, 1974 in the Federal Logistics Information System (FLIS). NIIN 003557555 was cancelled on April 29, 2010, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated 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, 2 suppliers are 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) 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 2520003557555 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.