>> Search results for: 4XE398 NSN Search Results National Stock Number (NSN) Description 6635-99-398-0436, 6635993980436 PROBE,ROTARY 6635-99-257-6498 , 6635992576498 PROBE 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