>> Search results for: PSPSI NSN Search Results National Stock Number (NSN) Description 5998-01-331-0664, 5998013310664 ELECTRONIC COMPONENTS ASSEMBLY 5998-01-334-4120 , 5998013344120 BACKPLANE ASSEMBLY 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