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Best Value Vacs brand stainless steel parts are made with precision 304 Grade Stainless Steel and are clean and free from burrs or debris. These fittings are 37° JIC threads and NPT threads (National Pipe Taper) and will compress against other Female/Male NPT threads creating a tighter and tighter connection. All NPT threads require thread sealant to create a watertight and gas-tight seal between the threads. We recommend using Yellow Gas PTFE Tape because it is rated for gases and is UL listed and it is NOT recommended to use white PTFE tape because it is not rated for gas service.

The 37° JIC connection will create a seal by compressing the flared end against an opposite female/male flared connection. JIC connections do not require thread sealant because they seal off the flared surface of the fitting JIC Fittings are also not the same size as NPT fittings but do have the same size nomenclature. When connecting JIC fittings to one another it is recommended by Best Value Vacs to use 2 wrenches - 1 to tighten the fitting and 1 to hold back against the force applied to create resistance and ensure a better seal.

A MJIC X FNPT connector will convert and adapt Male NPT connection to a Male JIC connection or vise-versa. These MJIC x FNPT fittings are the industry standard for extraction systems and allow a multitude of configurations on any system.

Material 304 Stainless Steel
Connection Type(s): 1/4" 37° MJIC (7/16-20)
  3/8" 37° MJIC (9/16-18)
  1/4"-18 FNPT
  3/8"-18 FNPT
Sizes Available: 1/4" MJIC x 1/4" FNPT
  3/8" MJIC x 1/4" FNPT
  3/8" MJIC x 3/8" FNPT
  1/4" MJIC x 3/8" FNPT