Machined aluminum vacuum adapter with a round ISO-KF style flange on one end and a square 4-bolt mounting plate with countersunk holes on the other.

The adapter has a straight through-bore and a bright, smooth machined finish suitable for vacuum or instrumentation assemblies.

No manufacturer markings are visible on the metal adapter.

Included as pictured: one sealed DuPont Kalrez perfluoroelastomer O-ring (bag shows "DuPont" and "Made in U.S.A.").

Bag code visible: KZE_A86439_00_A0819.

Please review photos to confirm size and compatibility with your system before purchasing.