>> Search results for: 8401976 NSN Search Results National Stock Number (NSN) Description 1005-00-840-1976, 1005008401976 BLADE,FRONT SIGHT 4920-01-251-7174 , 4920012517174 ACCESSORY UNIT,TEST 4920-01-251-7174, 4920012517174 ACCESSORY UNIT,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