>> Search results for: BK5504 NSN Search Results National Stock Number (NSN) Description 3040-01-313-2047, 3040013132047 BRAKE,SINGLE DISK 4820-01-348-1786 , 4820013481786 VALVE,PURGE 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