Part #: TC42BCALA

4-Inch Aluminum Bottom Outlet Cap with Stainless Steel Cable

The Salco Products (TC42BCALA) 4-Inch Aluminum Bottom Outlet Cap with Stainless Steel Cable is made out of corrosion-resistant aluminum material with a 2-inch aluminum plug. It is lightweight at approximately 2/3 less than carbon steel/ stainless steel caps. It fits a standard 5-1/4-inch railroad thread for application to any car manufacturer’s nozzle. Comes with 18-8 stainless steel, 3/16 by 15-1/2-inch, cable assembly with a 4-inch, 18-8 stainless steel, lock ring, a 3/8 by 2-inch, 18-8 stainless steel, hex bolt, a 3/8-inch, 18-8 stainless steel, hex nut lock, and a 3/8-inch SAE, 18-8 stainless steel, flat washer.

Key features

Default Feature icon

Ergonomic lightweight belly cap that reduces operator injuries from the handling of heavy and awkward steel designs.

Default Feature icon

Constructed of corrosion-resistant nylon material.

Default Feature icon

Less force/torque required to apply and remove cap.

Default Feature icon

Lightweight - approximately three (3) pounds.

Default Feature icon

Cap assembly available with: Cable, Stainless Steel Chain, Carbon Steel Chain.

Default Feature icon

A broad range of gasket material options allows for use in various commodities.

Default Feature icon

Standard 5-1/4-inch RR thread allows for application to any manufacturer's nozzle.

Default Feature icon

Steel reinforced hex head increases grip area to reduce wrench slippage.

Default Feature icon

AAR Approval # E202138

Specifications

Cap Material
Aluminum
Securement Material
Carbon Steel
Securement Type
Cable

Resources

Product Card • December 17, 2025

Plastic Bottom Outlet Cap