Overview Reviews Product Description Washer, 5/16, Zinc Pl (21/64Id - 5/8Od)OEM Numbers are used for reference only. California Residents only WARNING: Cancer and/or Reproductive Harm - www.p65warnings.ca.gov Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Commercial Parts Cleveland FA30504 - Washer, 5/16, Zinc Pl (21/64Id - 5/8Od) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Review Subject *Comments