Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4742WITH3INSHACKLE found under Padlock by Chicago Lock Co. The National Stock Number assigned to this part is 5340008592124, 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 4742WITH3INSHACKLE.