>> Search results for: ASTMC1071 NSN Search Results National Stock Number (NSN) Description 5640-01-269-0221, 5640012690221 INSULATION BLANKET,THERMAL 5640-01-374-2096 , 5640013742096 SOUND CONTROLLING BOARD 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