TELEPHONE PLUG/U93A/U, military, mil spec m9177/1-1,4 conductor, overall diameter of plug housing .781 inch, overall length: 2.3125 inch, contact diameter: .281 inch , plug contact length: .761 inch. TP-102

Dimensions: 0.781 x 2.312 x 0.716 inNumber of Conductors: 4Contact Material: nickel-plated, brassStandard: MIL-C-9177Solder Contact Terminals: pre-tinned over nickel platedContact Resistance: ≤ 0.02 ΩInsulation Resistance: ≥1,000 MΩDielectric Withstanding Voltage: ≥ 500 V RMSInsertion Force: 13 lb, maximumWithdrawal Force: 6 to 10 lb