Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number P381-6620 found under Blanket Radar Absorbent by Maryed International Inc. The National Stock Number assigned to this part is 1560001309706, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like P381-6620.