Push-in socket IEC according to DIN EN 61386-1 / DIN EN 61386-21, for the production of straight butt connections of push-in pipes as well as straight butt connections of socket pipe / push-in pipe. for plug-in pipe: IESR ... AL for socket pipe-fm: FM-MR ... AL Dimensions (approx. dimensions) for pipe Ø: 63 mm Length: 105 mm Surface: pressed / milled Material: aluminum alloy, material no. 3.3206 EN AW 6060 T5