>> Search results for: MILH4607USAFTYPEH1CLASS1AND2 NSN Search Results National Stock Number (NSN) Description 4520-00-203-0224, 4520002030224 Cancelled -> Replaced by 4520004549488 4520-00-446-7314 , 4520004467314 HEATER,DUCT TYPE,PORTABLE 4520-00-620-4055, 4520006204055 Cancelled -> Replaced by 4520008591393 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