>> Search results for: X1538 NSN Search Results National Stock Number (NSN) Description 3550-00-920-0809, 3550009200809 BLOCK ASSEMBLY 5840-15-059-4443 , 5840150594443 RADAR SET SUBASSEMB 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