D369-R99-NP1 is a 9-position in-line standard receptacle connector with pin insert, designed for high-reliability aerospace, defense, and marine applications. The connector features a lightweight, compact form factor with a maximum length of 21.46 mm (0.845 inches) and shell-to-shell alignment ribs for precise mating. It is constructed with a composite thermoplastic body and insert, copper alloy contacts with gold plating, and fluorosilicone rubber seals, meeting RoHS requirements. The connector operates at 5 A continuous current with a dielectric withstanding voltage of 1500 Vrms when mated, an insulation resistance of =5000 MO, and an operating voltage of 400 Vac/500 Vdc. With an operating temperature range of -55°C to +175°C and IP67 rating, this connector is well-suited for harsh environments requiring simple installation, maintenance, and space-efficient stackable configurations.