>> Search results for: 20057521 NSN Search Results National Stock Number (NSN) Description 5999-01-056-4346, 5999010564346 HEAT SINK,ELECTRICAL-ELECTRONIC COMPONENT 5306-01-399-6668 , 5306013996668 BOLT,SHEAR 1 Related Inventory 20-057-5-21DCondition FNDesc: FASTENER; Readily AvailableAdd to RFQ 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