>> Search results for: 23TDX4A NSN Search Results National Stock Number (NSN) Description 5990-12-145-8879, 5990121458879 SYNCHRO, DIFFERENTI 5990-15-075-4285 , 5990150754285 SYNCHRO (1), DIFFER 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