This is for a New Weatherhead 1/2" x1/4" FEMALE HEX REDUCING PIPE COUPLING 316 Stainless Steel,3000 PSI.

These a same as or similar to PARKER 8-4 FHC-SS or Swagelok SS-8-4-HCG.

These are rated for 3,000 psi at 72° F.

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