Description Specifications Literature Accessories Description Parker Seal Nut and Washer ThredSeal Kit for 70 Series GO Switches. 3/8" Zinc plated steel with nitrile rubber (standard) washer. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Product Specifications Product SpecificationsMaterial:Zinc Plated SteelDimensions:3/8" Literature & Docs Product Details Accessories GO Switch 71-16562-F2 Model 71 Limit Switch Was: Now: $422.00 Add To Cart View More GO Switch 71-16566-A2 Model 71 Limit Switch Was: Now: $371.00 Add To Cart View More GO Switch 71-16563-F2 Model 71 Limit Switch Was: Now: $446.00 Add To Cart View More GO Switch 71-16563-B2 Model 71 Limit Switch Was: Now: $400.00 Add To Cart View More GO Switch 71-16568-A2 Model 71 Limit Switch Was: Now: $327.00 In Stock Add To Cart View More GO Switch 72-16562-F3 Model 72 Limit Switch Was: Now: $416.00 Add To Cart View More GO Switch 71-16566-B3 Model 71 Limit Switch Was: Now: $366.00 Add To Cart View More GO Switch 71-16563-A3 Model 71 Limit Switch Was: Now: $436.00 Add To Cart View More GO Switch 71-16562-F3 Model 71 Limit Switch Was: Now: $440.00 Add To Cart View More GO Switch 71-16566-A3 Model 71 Limit Switch Was: Now: $385.00 Add To Cart View More