National Stock Number
                                            3441-01-017-7601
                                    
                                
                            
                            
                                National Stock Number (NSN) 3441-01-017-7601, or NIIN 010177601, (expander,tube) was assigned March 12, 1976 in the Federal Logistics Information System (FLIS).  NIIN 010177601 was cancelled on April 30, 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 3 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, 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) 37288. [A TOOL USED ON CLOSED SIDED AND/OR HOLLOW METAL PARTS TO FORM PRECISE SHAPES AND DIMENSIONS BY SYSTEMS OF DIES WHICH EXPAND OUTWARD AND STRETCH THE METAL TO A REQUIRED SHAPE AND SIZE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3441010177601 contains an unknown precious metal. 
This information was last updated on Aug 01, 2025.