Brass Cylinder Adaptors, From CGA 300 Commercial Acetylene To CGA 520 B Tank ORS NASCO Spark deflector for visor use Spark deflector for visor use without a safety cap Fully dielectric Secured with integral plastic lugs Used in conjunction with protective eyewear 000 rpm Stock Status In Stock Style Medium Thread TPI or Pitch 5 8 in 11 Type Backing Pad UNSPSC 31191500 Used With Resin Fiber Sanding Discs Welding Catalog NO Wt Use a brass cylinder adaptor to connect a regulator to a cylinder or other equipment when different CGA threads on the mating parts make a direct connection impossible Adaptors should not be used as permanent installations