Re: 90 degree heater hose fitting problems

Posted by Dave Harrison On 2012/3/11 12:23:28

Hi, Not sure if this will be of any help but I am currently at work and have just measured a 1/2'' NPT pipe fitting, the diameter across the lower part of the thread is approx 3/4'' so a 5/8'' NPT thread diameter would be even larger than this.
Regards,
Dave.