One NEW old stock Switchcraft 2501F (equivalent to Amphenol 75-MC1F) 1 Pin microphone cable connector with spring strain relief. The the 2501F female inline microphone female plug mates with a 5/8in-27 thread panel receptacle 2501MP. [Note: this is NOT the 5501 miniature 3/8-32 thread version]. This will fit select models of Heathkit, Eico, or other radio equipment that use a single pin 5/8in microphone receptacle. It also fits Astatic JT30 HARP microphones as pictured, for illustration, not included in listing. See our other listing for matching 2501MP and Amphenol 75-PC1M panel receptacle.
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