>> Search results for: 8401980 NSN Search Results National Stock Number (NSN) Description 1005-00-840-1980, 1005008401980 POST,FRONT SIGHT ASSEMBLY 4920-01-251-7175 , 4920012517175 ADAPTER ASSEMBLY,TEST 1005-00-840-1980, 1005008401980 POST,FRONT SIGHT ASSEMBLY 4920-01-251-7175 , 4920012517175 ADAPTER ASSEMBLY,TEST 1 Related Inventory Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information