1827120-1 is an automotive connector locking button designed for squib connector systems in the AMP Auto Squib Products line. The component is manufactured from black PBT GF (polybutylene terephthalate glass-filled) material, providing durability and mechanical strength for automotive connector applications. It operates reliably across a temperature range of -30°C to +80°C (-22°F to +176°F), meeting automotive environmental requirements. The product features a UL 94HB flammability rating and is compliant with EU RoHS Directive 2011/65/EU, EU ELV Directive 2000/53/EC, and contains no halogenated materials (Br, Cl, F, I < 900 ppm). This locking button is used in automotive connector assemblies to ensure secure mating and position assurance in squib connector systems, commonly found in airbag and safety-critical automotive applications.