>> Search results for: LS4089 NSN Search Results National Stock Number (NSN) Description 9540-00-805-5993, 9540008055993 BEAM,STRUCTURAL 5930-01-013-4178 , 5930010134178 SWITCH,LIQUID LEVEL 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