Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DPT 137 0610-001A found under O Ring by Vaf Instruments Bv. The National Stock Number assigned to this part is 5331013566067, 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 DPT 137 0610-001A.