Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D-SK-3291 found under Seat Hydraulic Pump by John Crane Inc. The National Stock Number assigned to this part is 2590001330987, and the Federal Supply Class is 2590 Miscellaneous Vehicular Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D-SK-3291.