Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UU B 336 TY1CL1STAGRB found under Binder Loose Leaf by General Services Administration Inc. The National Stock Number assigned to this part is 7510008938959, 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 UU B 336 TY1CL1STAGRB.