JRC SPARE PARTS KIT 65-118 FOR NRD-20 COMMUNICATION RECEIVER VINTAGE JAPAN RADIO. This product data sheet is originally written in English. JRC SPARE PARTS KIT 65-118 FOR NRD-20 RECEIVER NEW SURPLUS VINTAGE JAPAN RADIO. This is a rare, New Old Stock (NOS) Japan Radio Co. (JRC) Spare Parts Kit No. 65-118, designed specifically for the NRD-20 Professional Communications Receiver. This kit was originally issued for critical maritime and naval communication maintenance, containing modular circuit boards to ensure zero downtime for the station. While it is a New Surplus kit, please note that a few components are missing from the original set, as detailed in the specifications below. Brand: Japan Radio Co. Type: Professional Communications Receiver Spare Parts / Component Kit. Model and MPN: Kit No. 65-118 (for JRC NRD-20 Receiver). Application: Marine communication, signal intelligence, and high-end radio restoration. Country Region of Manufacture: Japan. Physical Condition: New Surplus (Incomplete). Power Voltage Phase Frequency: Internal DC boards (compatible with NRD-20 mainframes). Pressure Ratings and Port Sizes: N/A. Dimensions and Weight: Approx. 36 x 26 x 15 cm; Approx. Serial Number and Firmware Version: Varies by individual PCB module. Based on a physical audit of the kit provided in the high-resolution photos, the following professional-grade modules are included. RF / IF Processing Boards: Multiple shielded modules responsible for signal amplification and intermediate frequency processing. These are pristine with no heat stress. Logic & Control Board: Features vintage integrated circuits (ICs) used for managing the digital readout and tuning functions of the NRD-20. Synthesizer Module: The high-stability frequency control heart of the receiver. Audio / Filter Board: Manages signal output and noise reduction filters. Regulator / Power Board: Large PCB with heavy-duty heatsinks and high-voltage capacitors for internal power management. Spare Hardware: Includes original JRC fuse sets and small mounting hardware in the side compartments. Missing Items Note: This kit is approximately 80% complete. A few slots in the wooden storage chest are empty. Please refer to the photos showing the empty dividers for the exact boards that are not included in this sale. Condition and Inspection Notes. Condition: New Surplus (Open Box). Detailed Assessment: The included boards are unused and never installed. Due to long-term storage in a maritime environment, some metal shielding exhibits light surface oxidation or spotting. This is cosmetic and does not affect the electronic integrity of the gold-plated traces and solder points. Packaging: Includes the original vintage JRC wooden technician’s chest. The box features a heavy-duty latch and the original Spare Parts Kit No. JRC NRD-20 spare parts, Japan Radio Co repair kit, NRD-20 receiver boards, 65-118 parts kit, maritime radio restoration, vintage JRC electronics, NOS radio modules, obsolete JRC parts, marine receiver maintenance, JRC NRD-20 synthesizer, RF amplifier board JRC, communication receiver spares, naval radio parts, NRD-20 service kit, Japanese radio components. JRC NRD-20 spare parts, Japan Radio Co repair kit, NRD-20 receiver boards, 65-118 parts kit, maritime radio restoration, vintage JRC electronics, NOS radio modules, obsolete JRC parts, marine receiver maintenance, JRC NRD-20 synthesizer, RF amplifier board JRC, communication receiver spares, naval radio parts, NRD-20 service.