The AHD17-PN01 is a 9-position jam mount receptacle nut designed for use with Amphenol Sine Systems AHD Series circular thermoplastic connectors. This accessory is specifically engineered for PE and PES extended shell pin receptacles in J1939 Type 1 (black body) configurations. The nut features a thermoplastic UL94-VO housing body and is rated for operating temperatures from -55°C to +125°C, with an IP67 rating in mated condition. It supports the connector's 13A maximum current rating and 250V voltage rating, maintaining reliability across demanding industrial diagnostic and data communication applications including heavy-duty vehicles, marine propulsion, and construction equipment.