Silicone O-ring

Replacement o-rings . FDA food grade silicone o-ring up to 400 degree F. 

Available in tube and weldless fittings (NPT - National Pipe Thread) sizes.    Our standard weldless sets us the 1/2" NPT size.

Sizes: 

1/4" Tube - 1/4" ID x 3/8" OD  -   Will fit a 1/4" OD tube.

1/4 NPT - 1/2" ID x 5/8" OD  -  Fits a 1/4" NPS  locknut, 1/4" NPT nipple  AND also fits around  1/2" OD tubes and stainless pickup tubes sold on the site.

3/8" Tube - 3/8" ID x 1/2" OD - Fits a 3/8" OD tube.

3/8 NPT - 5/8" ID x 13/16" OD - Fits a 3/8" NPS locknut,  3/8" NPT nipple / male thread.

1/2 NPT - 13/16" ID x 1 1/16" OD -  Fits our 1/2" NPT weldlesss bulkhead fittings.

1" NPT - 1 3/16" ID x 1 7/16" OD -  Fits our 1" NPS locknuts or will fit over a 1" NPT male thread.