National Stock Number
                                            5340-01-031-0351
                                    
                                
                            
                            
                                National Stock Number (NSN) 5340-01-031-0351, or NIIN 010310351, (clamp,instrument mounting) has an unknown assigned date.  NIIN 010310351 was cancelled on September 17, 1999, 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 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) 20996. [A CLAMP SPECIFICALLY DESIGNED TO HOLD A DIAL INSTRUMENT IN POSITION IN THE CUTOUT OF AN INSTRUMENT PANEL, OR THE LIKE. IT INCORPORATES AN ADJUSTING MECHANISM THAT PERMITS INSTALLATION AND REMOVAL OF THE INSTRUMENT FROM THE FRONT OF THE PANEL WHILE THE CLAMP REMAINS SECURED TO THE BACK OF THE PANEL.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). 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 5340010310351 contains an unknown precious metal. 
This information was last updated on Aug 01, 2025.