Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 15545-0011 found under Caster Swivel by Hardigg Industries Inc. The National Stock Number assigned to this part is 5340015531004, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 15545-0011.