National Stock Number
2520-01-297-9295
National Stock Number (NSN) 2520-01-297-9295, or NIIN 012979295, (synchronizer,transmission) was assigned April 8, 1989 in the Federal Logistics Information System (FLIS). NIIN 012979295 was cancelled on August 2, 1995, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 2520000761299. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 36254. [A DEVICE USED IN MANUAL AUTOMOTIVE TRANSMISSIONS, DESIGNED TO EQUALIZE THE SPEED OF THE MATING PARTS BEFORE THEY ENGAGE. COMMON TYPES SUCH AS BLOCK TYPE, DISK AND PLATE TYPE, PLAIN TYPE OR PIN TYPE USE FRICTION TO SYNCHRONIZE THE MATING PARTS. THE MAIN FUNCTION IS TO HELP IN ENGAGING GEARS BY SYNCHRONIZING THE SPEEDS OF THE GEAR AND THE SHAFT BEFORE THE CONNECTION IS MADE.]. 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 2520012979295 does not contain precious metals.
This information was last updated on Jul 01, 2025.