The 2-1375820-4 is a connector housing component from the CST-100 series manufactured by TE Connectivity/AMP. It is constructed from nylon material (UL 94V-0, natural color) and features a modular design supporting multiple circuit configurations. The housing dimensions are 12.95 mm [0.510 inches] in length with a reference width of 6.6 mm [0.260 inches] and height of 4.83 mm [0.190 inches]. The connector pin spacing is 2.54 mm [0.100 inches] typical, with individual pin diameter of 1.42±0.08 mm [0.056±0.003 inches]. This housing is commonly used in electronic assemblies requiring reliable, compact interconnection solutions with standardized pitch and modular circuit count options.