National Stock Number
                                            2520-01-570-4150
                                    
                                
                            
                            
                                National Stock Number (NSN) 2520-01-570-4150, or NIIN 015704150, (transfer transmission assembly) was assigned December 29, 2008 in the Federal Logistics Information System (FLIS).  NIIN 015704150 was cancelled on June 2, 2010, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs. 
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier 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) 05621. [THAT PART OF THE MECHANISM OF A VEHICLE WHICH DISTRIBUTES ENGINE TORQUE FROM THE TRANSMISSION AND PROVIDES A MEANS TO TRANSFER IT, USUALLY, TO THE FRONT AND REAR DRIVING AXLES.]. 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 2520015704150 does not contain precious metals. 
This information was last updated on Aug 01, 2025.