>> Search results for: 54431021B NSN Search Results National Stock Number (NSN) Description 5985-01-131-1620, 5985011311620 ATTENUATOR,FIXED 5905-99-718-5563 , 5905997185563 ATTENUATOR,FIXED 1 Related Inventory 54431-021B Condition NEViavi/Aeroflex Readily AvailableAdd to RFQ 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