>> Search results for: 21492A NSN Search Results National Stock Number (NSN) Description 5999-01-100-5974, 5999011005974 BRACKET ASSEMBLY,HEAT SINK 5999-01-100-7215 , 5999011007215 BRACKET,HEAT SINK 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