>> Search results for: IS5230 NSN Search Results National Stock Number (NSN) Description 3120-00-156-4491, 3120001564491 Cancelled -> Replaced by 5970005634255 2925-00-474-3633 , 2925004743633 INSULATION,SPECIAL 2925-00-474-3634, 2925004743634 BLOCK,SPECIAL 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