>> Search results for: ASTMC552 NSN Search Results National Stock Number (NSN) Description 5640-00-958-9485, 5640009589485 INSULATION SLEEVING,THERMAL 5640-00-959-0864 , 5640009590864 INSULATION PIPE FITTING COVERING 5640-01-082-5530, 5640010825530 INSULATION BLOCK,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