Permaswage D12-9892-16 - 1" Tube Inspection Gauge for #16

The Permaswage D12-9892-16 is a precision go/no-go inspection gauge engineered for verifying proper swage dimensions on 1-inch (-16 dash size) aircraft tubing. After completing a radial swage operation using DLT series Permaswage tooling, this gauge confirms that the fitting has been compressed to the correct outer diameter and swaged to the minimum acceptable length — ensuring a leak-free, structurally sound tube connection in critical aircraft fluid systems.

How the D12-9892-16 Inspection Gauge Works

This after-swage inspection gauge verifies two critical dimensions on each completed swage joint. Dimension A confirms the maximum swaged diameter does not exceed 1.144 inches, while Dimension B verifies the minimum swaged length meets or exceeds 1.160 inches. During inspection, the gauge must fit around the outer diameter of the swaged fitting and the shoulder must contact the fitting end while covering the minimum acceptable length. A fitting that passes both checks meets the dimensional requirements for a properly completed Permaswage connection.

Key Features

• Precision-machined go/no-go gauge for -16 (1-inch) Permaswage swaged fittings
• Verifies Dimension A (max swaged OD: 1.144") and Dimension B (min swaged length: 1.160")
• Required after-swage verification tool per Permaswage SOP procedures
• Compatible with DLT series swage heads and power units
• Manufactured by Designed Metal Connections (DMC) / Permaswage USA

Applications

The D12-9892-16 inspection gauge is essential for aviation maintenance professionals performing Permaswage swage operations on 1-inch hydraulic lines, fuel lines, and pneumatic tubing. It is widely used across MRO facilities, military aircraft maintenance depots, and field repair operations. This gauge supports quality verification on aluminum, stainless steel, and titanium tubing found in both commercial and military aircraft platforms, and is a standard component included in larger Permaswage tool kits covering size 16 and above.