CNC Machined Aluminum Flush Tank Fill W Delrin Key

Product #27042 Cap:- Material = 6061 CNC Machined Aluminum- Threads =8 TPI- Vented= NO- Lanyard = NO- Gasket = Buna O-ringNeck:- Material= 6061 CNC Machined Aluminum- Threads= 8 TPI"- OD = 4.975" Overall Flange- ID = 3.300 ID - Overall Height = 1.5" approx   Installation:-Bolt- IN- Hole Cut Size = 3.760" MIN / 3.950" MAX (3-3/4" hole saw)- Bolt hole Center = 4.350"   Kit Includes:- 1) CNC Machined CAP W/ Oring and Delrin Key- 1) CNC Machined  flush fill neck - 1) Under ring assembly w/ gasket - 6) 10-32 SS Flush Hex Head Machine Screws for neck- 2) 10-32 SS Flush Hex Head Machine Screws for under ringThis cap is intended to be direct mounted to the top of tank only.Perfect replacement for Wisco 6 bolt flush mount caps found on popular fuel cells.