JMGSPD-18M is a military/aerospace high-performance relay from the MGSD .100 Grid Relay Series designed for demanding applications requiring reliable electromagnetic switching. The relay features a 5 VDC input voltage, 2-form C contact arrangement (DPO1, 2 G/O), non-polarized monostable magnetic system with coil suppression diode, and a coil resistance of 100 O. It is rated for 1 A contact current, hermetically sealed in a PC board-mounted enclosure with .175" diameter mounting pads and long lead termination, and qualifies to M39016/42-049L military standards with approval at Level 1. The relay is designed to withstand shock loads of 75G and vibration up to 30G at frequencies from 10 to 3000 Hz, making it suitable for aerospace, defense, and other high-reliability applications where robust electromagnetic switching is essential.