EPDM Rubber Gaskets for various brand fire hydrant hose nozzle caps. Black EPDM Rubber (NSF-61) 3/16" thick Sizes available (outside diameter x inside diameter): Part Number Size (O.D x I.D) Description Hose Nozzle Gaskets: EP61-2008 3-1/8" x-1-1/2" Side Nozzle Gasket EP61-2003 3-1/8" x 2" Cap Gasket - Inner EP61-2002 3-1/8" x 2-1/2" Hydrant Nozzle EP61-2001 3-3/8" x 1-7/8" Side Cap Gasket EP61-2011 3-3/4" x 3" Cam Lock Gasket EP61-2004 4-5/8" x 3-1/8" Cap Gasket - Outer* Pumper Nozzle Gaskets EP61-2009 5-3/4" x 3-1/8" Pumper Nozzle Gasket EP61-2010 5-3/4" x 4" Pumper Nozzle Gasket EP61-2006 5-13/16" x 4-3/8" Pumper Nozzle Gasket EP61-2005 6" x 4-1/8" Pumper Nozzle Gasket * Special Order item