>> Search results for: ASTMC553 NSN Search Results National Stock Number (NSN) Description 5640-00-905-3631, 5640009053631 INSULATION BLANKET,THERMAL 5640-00-906-7091 , 5640009067091 INSULATION BLANKET,THERMAL 5640-01-121-0702, 5640011210702 INSULATION BLANKET,THERMAL 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