>> Search results for: PL999R0523PC54 NSN Search Results National Stock Number (NSN) Description 5310-01-135-9944, 5310011359944 NUT,PLAIN,CAP 5310-01-449-1370 , 5310014491370 Cancelled -> Replaced by 5310012559451 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