>> Search results for: S545A NSN Search Results National Stock Number (NSN) Description 1240-01-654-6158, 1240016546158 SHADE,OPTICAL INSTRUMENT 4820-01-397-5762 , 4820013975762 VALVE,SAFETY RELIEF 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