Description Specifications Literature Accessories Description GO Switch Parker Seal Nut and Washer ThredSeal Kit for 70 Series GO Switches. 5/8" Zinc plated steel with nitrile rubber (standard). State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Product Specifications Product SpecificationsMaterial:VitonDimensions:5/8" Literature & Docs Product Details Accessories GO Switch 73-13527-H2 Model 73 Limit Switch GO Switch 73-13528-4DD Model 73 Limit Switch GO Switch 73-13527-F4 Model 73 Limit Switch GO Switch 73-13527-F2 Model 73 Limit Switch GO Switch 73-13524-A2 Model 73 Limit Switch GO Switch 73-13527-DCG Model 73 Limit Switch GO Switch 73-13528-A2 Model 73 Limit Switch GO Switch 73-13528-3DE Model 73 Limit Switch GO Switch 73-13527-B3 Model 73 Limit Switch GO Switch 73-13527-B4 Model 73 Limit Switch