The TP-101 in-line plug connector has four-conductors that are made of a nickel-plated beryllium copper material. Mates with Nexus Series TP-120, TP-101, TPSJ-101 and TP-102 plugs.
The NX303BB1R push-button switch is a 3-contact switch.
The MP-103 three-conductor microphone plug features two nickel-plated, beryllium conductors and one brass conductor housed in a nylon body. Mates with MJ-103 three-conductor microphone jack connector.
The MP-101 2-pin microphone plug features a nickel-plated, beryllium copper contacts housed in a nylon body. It mates with Nexus jacks MJ-101, MJ-102, MJ-122, MJ132, and MJ-122.
The MJ-122 microphone jack features a glass-filled nylon body and nickel-plated, copper conductors. This jack mates with PJ-291, PJ-292 and Nexus MP-101 two-conductor plugs.
The MJ-101 microphone jack features nickel-plated, beryllium copper contacts housed in a nylon body. It mates with Nexus part MP-101.