Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number STJ3F4-OM found under by Underwater Systems Inc. The National Stock Number assigned to this part is 5935015528039, 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 STJ3F4-OM.