bmotiontechDIY KF25 electrical feed through, M14 x 1.25 adapter + industrial spark plug 2 Brand New itemsThis combo 3 package can let you DIY a vacuum electrical feed through by using an industrial spark plug and a M14 x 1.25 straight thread adapter.1pcs M14 x 1.25 straight thread is a common spark plug thread standard.1pcs Spark plug (Champion J99 599 industrial spark plug)1pcs soft O-ring is required to seal between the spark plug and the adapter to keep vacuum integrity.Adapter M14x1.25 pitch-Female, KF25 Flange Size ISO-KF NW-25, Stainless SteelThese adapters are KF-25 to M14 x 1.25 pitch female straight thread. They are commonly used to make connections between ISO-KF and standard spark plug. It can become a cheap vacuum high voltage feedthruSpecification:Flange Size: ISO-KF NW-25Pipe Thread: M14 x 1.25 pitch -FemaleEnd to End length 0.47" or 12 mmWe only accept PayPal on eCRATER, this means you can rest assured your order will be with you ASAP after your purchase. For your security we only despatch your order to the address you provide us via PayPal.As soon as you pay, eCRATER & PayPal will email you to let you know it's been received and as soon as we've shipped your order, we'll let you know by email that it has been despatched and the tracking number if applicable. "We want you to be 100% happy with your purchase and offer a 14 day "no quibble" guarantee"If you change your mind, or the purchase is not suitable, you may notify us to cancel the contract within 14 days after the day of receipt of item(s) and you have a duty to take reasonable care of the item(s) until we receive the item(s) back. Return posting costs will be at your expense.Any Questions?Please check this listing page carefully as the answer is usually there. If not, let us know and we'll try our hardest to reply within one working day. "" ( ) "" ( ) "" ( ) "" ( ) "" ( ) 3.1210525804bmotiontech22247696918516-04-2017 09:19:1516-04-2017 09:19:15On Apr-16-17 at 01:19:10 PDT, seller added the following information: