>> Search results for: AT508K4 NSN Search Results National Stock Number (NSN) Description 5120-00-157-3660, 5120001573660 Cancelled -> Replaced by 5120010427403 4920-01-506-5522 , 4920015065522 PAD,PLIER JAW 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