Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number XN21965L01 found under Transfer Pressure A by Lawson Products Inc. The National Stock Number assigned to this part is 5280015961692, and the Federal Supply Class is 5280 Sets Kits And Outfits Of Measuring Tools. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like XN21965L01.