>> Search results for: HHI558FMACL1 NSN Search Results National Stock Number (NSN) Description 5640-00-079-3360, 5640000793360 Cancelled -> Replaced by 5640002463194 5640-00-222-8220 , 5640002228220 INSULATION BOARD,THERMAL 5640-00-281-6918, 5640002816918 INSULATION BOARD,THERMAL 5640-01-021-7458 , 5640010217458 INSULATION BOARD,THERMAL 5640-01-045-4967, 5640010454967 INSULATION BOARD,THERMAL 5640-01-244-9375 , 5640012449375 INSULATION BOARD,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