>> Search results for: 290453900M20 NSN Search Results National Stock Number (NSN) Description 5955-00-851-5813, 5955008515813 CRYSTAL UNIT,QUARTZ 5955-01-265-4476 , 5955012654476 Cancelled -> Replaced by 5955008515813 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