>> Search results for: 81021780001ITEM148 NSN Search Results National Stock Number (NSN) Description 4820-01-183-0676, 4820011830676 PLUG,TEST 4820-01-421-2170 , 4820014212170 PLUG,INDICATOR,VALVE 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