#13 Coleman Orifice S1-9951-1851

Sale price $ 18.29 Regular price $ 21.95

Coleman orifice #13 Also known as size 0.1855.   9951-1851

Hex head is 1/2", length is 3/8", threads are 7/16-27 UNS.  

Picture is for reference only. Hole size will vary on actual item.