National Stock Number
                                            5310-01-562-1098
                                    
                                
                            
                            
                                National Stock Number (NSN) 5310-01-562-1098, or NIIN 015621098, (washer set,spring tension,matche) was assigned March 29, 2008 in the Federal Logistics Information System (FLIS).   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 unique to one weapons system. 
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.  Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 02, 2009, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.)  The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2. 
This NSN is assigned to Item Name Code (INC) 31627. [A GROUPING OF TWO OR MORE IDENTICAL OR SIMILAR WASHER (1), SPRING TENSION WHICH HAVE BEEN MATCHED TOGETHER TO MEET A SPECIFIC DEFLECTED HEIGHT TOLERANCE WHEN A PREDETERMINED LOAD COMPRESSION IS AXIALLY APPLIED. INCLUDES ONLY THOSE WASHERS DESIGNED AND TESTED TO ACCOMPLISH A SPECIFICALLY DESIRED FUNCTION.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310015621098 does not contain precious metals. 
This information was last updated on Aug 01, 2025.