>> Search results for: LBB993 NSN Search Results National Stock Number (NSN) Description 4710-99-450-1912, 4710994501912 TUBE,METALLIC 4330-99-499-9209 , 4330994999209 FRAME,FILTER ASSEMB 4330-99-521-5406, 4330995215406 FILTER ASSEMBLY,FLU 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