Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SRT-LF-110DEF-600 found under by Precision Marksmanship Llc. The National Stock Number assigned to this part is 6920016728567, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SRT-LF-110DEF-600.