>> Search results for: KLB23580 NSN Search Results National Stock Number (NSN) Description 3120-99-721-4135, 3120997214135 BEARING,SLEEVE 3120-99-721-4136 , 3120997214136 BEARING,SLEEVE 3120-99-721-4137, 3120997214137 BEARING,SLEEVE 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