Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 507H12B12PB found under Connector Receptacle Electrical by Glasseal Products Inc. The National Stock Number assigned to this part is 5935001228669, and the Federal Supply Class is 5935 Connectors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 507H12B12PB.