Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HM23-1000 found under Clip Glazing by Belknap Inc. The National Stock Number assigned to this part is 5340006904059, 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 HM23-1000.