Nylon Washers

[K404]

http://www.nutsboltsandthings.co.uk/nylonnuts.htm

http://shop.comdir.co.uk/Products.aspx?intGroupID=921

http://www.altecweb.com/home.asp?cat=SubcategoryNylon+Plain+Washers

not sure about ID and OD sizes, probs have to e-mail em.