Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 157725-30 found under Spacer Sleeve by Lidgerwood Manufacturing Company. The National Stock Number assigned to this part is 5365005879987, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 157725-30.