Type i, ii, iii, and iv only, unsealed with emi shield per mil-prf-22885
81349-mil-prf-22885 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.).