Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 979-1B051 found under Contact Electrical by Gap Instrument Corp. The National Stock Number assigned to this part is 5999005186782, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 979-1B051.