>> Search results for: GMB13 NSN Search Results National Stock Number (NSN) Description 5998-01-022-4713, 5998010224713 CIRCUIT CARD ASSEMBLY 8120-99-256-3201 , 8120992563201 HEADER BLOCK ASSEMB 8120-99-256-3200, 8120992563200 HEADER BLOCK 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