>> Search results for: M5531016B31A20MHZ NSN Search Results National Stock Number (NSN) Description 5955-01-188-4379, 5955011884379 Cancelled -> Replaced by 5955012996096 5955-01-272-2738 , 5955012722738 OSCILLATOR,CRYSTAL CONTROLLED 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