Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TYPE21 1-8INSIZEB0LT found under Shield Expansion by N L Industries Inc. The National Stock Number assigned to this part is 5340006808701, 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 TYPE21 1-8INSIZEB0LT.