>> Search results for: 13557479 NSN Search Results National Stock Number (NSN) Description 5342-01-556-1238, 5342015561238 COUPLING,CLAMP,GROOVED 1240-01-556-1245 , 1240015561245 EYESHIELD,OPTICAL INSTRUMENT 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