National Stock Number
                                            4320-01-552-3242
                                    
                                
                            
                            
                                National Stock Number (NSN) 4320-01-552-3242, or NIIN 015523242, (ring,lantern) was assigned June 11, 2007 in the Federal Logistics Information System (FLIS).   This NSN does not replace any other NSNs. 
There is only one manufacturer part number associated with this NSN. One of those 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) 60980. [AN ITEM OF SINGLE OR MULTIPIECE CONSTRUCTION, CIRCULAR IN SHAPE AND USUALLY OF H-SHAPE CROSS SECTION, DESIGNED FOR INSERTION BETWEEN PACKING RINGS ON PUMP SHAFTS. THE WEB OF THE RING IS PERFORATED TO PERMIT FLOW OF LIQUID TO THE SHAFT AND PACKING FOR SEALING, COOLING AND LUBRICATING PURPOSES.]. 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 4320015523242 does not contain precious metals. 
This information was last updated on Aug 01, 2025.