Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1.250 TRADE SIZE found under Nipple Electrical Conduit by Graybar Electric Company Inc. The National Stock Number assigned to this part is 5975014404550, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1.250 TRADE SIZE.