Up for sale is a matched pair (2 units) of vintage Hammarlund FC-46-S ceramic insulated flexible shaft couplings. These are pristine, New Old Stock (NOS) items that look brand new and have never been installed.

Perfect for vintage ham radio equipment, tube amplifiers, and test gear restorations (Collins, Heathkit, etc.).

Condition:

New Old Stock (NOS). Excellent condition with crisp, clean ceramic and shiny metal plates.

Packaging:

Includes both original vintage factory boxes. Boxes show minor storage wear but are structurally completely intact (will not be flattened for shipping).

Hardware:

Includes the original set screws for both units.

Specifications:

Designed for 1/4-inch shafts. High-quality ceramic provides excellent high-voltage RF isolation.

Shipping & Handling:

Shipped via USPS Ground Advantage for a flat rate of $5.00.

Items will be securely packed inside a sturdy box/padded mailer with extra cushioning to prevent the original vintage packaging from being crushed.