Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1 2 X 5 BOLT JACK KNIFE GRADE 8 found under Boltmachine by Manson Company Inc. The National Stock Number assigned to this part is 5306016794870, and the Federal Supply Class is 5306 Bolts. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1 2 X 5 BOLT JACK KNIFE GRADE 8.