Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ZCK-S2-H29 found under Housing Sensitive S by Tts Marine Ab Formerly Tts Ships. The National Stock Number assigned to this part is 5930014360480, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ZCK-S2-H29.