Replacement for Electroscale 438, 920, 925, General 4535, MLC SS, NCI MK16, 3250, 8205, 5800, 3800. Mounting screws are 1/4-20 UNC(coarse) with 3/4" spacing on both top and bottom. These cells have a unique humidity resistant protective coating assures long term stability even under harsh environment and extreme temperatures. 2 mv/v, 0.02% total error, 415/350 ohms, 1 m 6 cond cable, anodized aluminum. NTEP 89-074 S III 5,000 div