>> Search results for: HHM351 NSN Search Results National Stock Number (NSN) Description 5640-00-270-1618, 5640002701618 MILLBOARD,ASBESTOS 5640-00-270-1619 , 5640002701619 Cancelled -> Replaced by 5640006414874 5640-00-270-1620, 5640002701620 Cancelled -> Replaced by 5640001713991 5640-00-270-1621 , 5640002701621 Cancelled -> Replaced by 5640006414875 5640-00-270-1622, 5640002701622 Cancelled -> Replaced by 5640001713989 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