Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A3S1B1-100 found under Receptacle Quick Release Pin by Avibank Mfg Inc. The National Stock Number assigned to this part is 5342000232188, 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 A3S1B1-100.