Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PL4-5-92.0 REF 31H found under Parts Kit Bearing R by Link Belt Construction Equipment. The National Stock Number assigned to this part is 3120014489417, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PL4-5-92.0 REF 31H.