>> Search results for: 754R278 NSN Search Results National Stock Number (NSN) Description 5985-01-191-9208, 5985011919208 WAVEGUIDE ASSEMBLY 5985-01-191-9210 , 5985011919210 WAVEGUIDE 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