Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D23-1605 found under Contact Electrical by Mkt Geotechnical Systems. The National Stock Number assigned to this part is 5999002585519, 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 D23-1605.