REPCO 912-071 Code A Vintage Communications Electronic Circuit Module

Vintage REPCO 912-071 CODE A electronic circuit module associated with professional communications equipment. Features a rectangular metal enclosure, multiple soldered terminals, closely spaced edge contacts, exposed underside circuitry, and a black braided strip across the housing. Additional markings include 3/77 and 165. Historical government supply records identify the exact 912-071 part number as an integrated circuit and a related 912-071-01 part number as a communications module assembly. The specific electrical function and original equipment application of this unit have not been independently verified. Suitable for vintage communications equipment restoration, replacement research, and preservation of obsolete electronic components.
LIFECYCLE: OBSOLETE
HISTORICAL BACKGROUND:
REPCO Inc. supplied specialized electronic modules associated with professional radio communications equipment during the 1970s. Historical United States government supply records identify REPCO part number 912-071 under National Stock Number 5962-00-190-7017, classified as an integrated circuit. A related assembly designated 912-071-01 appears under National Stock Number 5820-00-357-0997 and cross-references E. F. Johnson part number 991-9207-101. E. F. Johnson was an established American manufacturer of professional two-way radio communications equipment. Such modules reflect an era when specialized circuit assemblies were used to support equipment manufacturing, field maintenance, and component-level repair. The handwritten 3/77 marking may represent a date or inventory notation but has not been verified as a manufacturing date.