>> Search results for: 90507A230 NSN Search Results National Stock Number (NSN) Description 5310-01-493-3522, 5310014933522 NUT,SELF-LOCKING,CAP 5310-01-588-5290 , 5310015885290 NUT,ACORN,SELF LOCK 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