>> Search results for: 3991AS242 NSN Search Results National Stock Number (NSN) Description 5320-01-645-3316, 5320016453316 RIVET,SOLID 5975-01-644-3055 , 5975016443055 SHELF,ELECTRICAL EQUIPMENT 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