Vintage Amphenol 4-Pin Military Spec Connector MS3057 Aviation Industrial Plug

Vintage Amphenol 4-pin connector, marked with mil-spec code MS3057, designed for industrial, aviation, and military electrical applications. Constructed of heavy-duty metal alloy with original screws and locking mechanism intact. Measures approximately 2.5 inches long and 1.5 inches wide. Shows normal wear and patina consistent with age and use. A collectible and functional piece for restorations, vintage equipment repair, or display in industrial décor collections. Keywords Amphenol connector, military spec plug, MS3057, aviation connector, industrial hardware, 4 pin connector, vintage electrical part, mil spec, US military surplus, aviation restoration, collectible hardware