Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DHS-24-XF-FM found under Pyrometer Indicating by Wahl Instruments Inc. The National Stock Number assigned to this part is 6685009782853, 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 DHS-24-XF-FM.