B&T SD-140020 | NATO/A2 Hub Adapter | 1.375×24

The B&T NATO/A2 HUB Adapter (MFG# SD-140020) is a suppressor attachment hub designed to interface with 1.375×24 TPI HUB-compatible suppressors and NATO-spec A2 flash hiders. It is built with stainless-steel components and finished in black Cerakote for corrosion resistance and durable handling. The adapter features a gate lock and ratchet system to provide redundant retention and repeatable fitment when attaching compatible suppressors.

Typical applications include range shooting and precision rifle setups that require a NATO-compatible HUB interface for quick and secure suppressor attachment. The HUB format is also commonly used by professional and sporting users who need a standardized mounting solution for 1.375×24 TPI accessories.

Product Specifications

• The manufacturer is B&T.
• The model is listed as Suppressor Adapter.
• The manufacturer’s part number is SD-140020.
• The UPC is 840225719680.
• The thread dimension is specified as 1.375×24 TPI.
• The adapter is compatible with NATO-spec A2 flash hiders and 1.375x24TPI HUB-compatible suppressors.
• The primary construction uses stainless-steel components.
• The finish is listed as Cerakote in a black color.
• The product type is categorized as a Mount.
• The subcategory is Suppressor Accessories.
• The listed caliber/gauge compatibility is .308 / 7.62 NATO.
• The hub employs a gate lock and ratchet system for redundant reliability and secure fitment.
• Installation is performed by threading the HUB into compatible suppressors and snugging with a spanner wrench.

This adapter brings a standardized HUB interface to compatible suppressors and muzzle devices, offering a reliable mechanical lock and NATO compatibility in a compact mount. Its stainless components and Cerakote finish balance durability and corrosion resistance, making it suitable for regular range use and precision setups where a repeatable suppressor interface is required.