>> Search results for: 33117981 NSN Search Results National Stock Number (NSN) Description 1660-00-566-3605, 1660005663605 DUCT ASSEMBLY,AIR CONDITIONING-HEATING,AIRCRAFT 1660-01-034-5651 , 1660010345651 Cancelled -> Replaced by 1660005663605 1560-00-566-3606, 1560005663606 INSULATION PIPE COVERING,THERMAL,SPECIAL PURPOSE 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