Panel and Enclosure Bushings: Type - Hole Bushing, Standard; Mtg Hole Dia.- in - 0.375 in; Mtg Hole Dia.- mm - 9.5 mm; Bushing Inside Dia.- in - 0.125"; Bushing Inside Dia.- mm - 3.2 mm; Max. Panel Thickness - 0.125" (3.2 mm); Height - overall thickness - 0.421" (10.7 mm); Head Diameter - 0.460" (11.7 mm); Installation - Push-In One-Piece; Material - Nylon; Color-Finish - Black; Temperature Rating - 105 deg C (221 deg F) Max.; Material Specification - Nylon Type 6/6 UL Rated 94V-2; Listing Description - K 375-125; Manufacturer Series - Heyco Snub Bushing