Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D1231 92 found under Bolt by Hamworthy Belliss And Morcom Ltd. The National Stock Number assigned to this part is 5306992428665, 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 D1231 92.