Special Offers
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PGL-LM25-MP4-00100-SS Tompkins Pressure Gauge, 0–100 PSI, 2-1/2 in, Lower Mount
Regular price $23.37 -
80463 Midland Liquid-Filled Pressure Gauge, 0–100 PSI, 4 in, Lower Mount
Regular price $148.41 -
80205 Midland Liquid-Filled Pressure Gauge, 0–100 PSI, 2-1/2 in, Center Back Mount
Regular price $65.45 -
80064 Midland Liquid-Filled Pressure Gauge, 0–100 PSI, 2-1/2 in, Lower Mount
Regular price $57.92
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GP6400-24-24-04FB Tompkins JIC-to-O-Ring Gauge Port, -04 SAE O-Ring Port
GP6400-24-24-04FB is a Tompkins JIC-to-O-ring gauge port configured with nominal size 24 at the first primary connection and 24 at the second.The main GP6400 connection pattern is JIC-to-O-ring; the pressure-gauge port is the separate third connection....Regular price $139.99Regular price $139.99 -
GP6400-20-20-04FP Tompkins JIC-to-O-Ring Gauge Port, -04 Female Pipe Port
Rather than selecting by family name alone, GP6400-20-20-04FP should be matched by its exact connection set: JIC-to-O-ring, 20/20 nominal sizes, and a -04 female pipe port. At the gauge connection, Tompkins calls out 1/4-18 female pipe....Regular price $106.37Regular price $106.37 -
GP6400-20-20-04FB Tompkins JIC-to-O-Ring Gauge Port, -04 SAE O-Ring Port
Choose GP6400-20-20-04FB when the fitting layout calls for Tompkins' GP6400 JIC-to-O-ring geometry with matching 20/20 nominal sizes and a -04 SAE O-ring port.The GP6400 family is the JIC-to-O-ring branch of the range, pairing a JIC connection...Regular price $106.37Regular price $106.37 -
GP6400-16-16-04FP Tompkins JIC-to-O-Ring Gauge Port, -04 Female Pipe Port
The defining feature of GP6400-16-16-04FP is its three-connection arrangement: nominal size 16, nominal size 16, and a -04 female pipe port. Unlike the JIC-to-JIC families, GP6400 combines JIC and O-ring connection styles on its primary path.The...Regular price $78.02Regular price $78.02 -
GP6400-16-16-04FB Tompkins JIC-to-O-Ring Gauge Port, -04 SAE O-Ring Port
Tompkins GP6400-16-16-04FB brings gauge access into a JIC-to-O-ring connection without changing the two primary nominal sizes: 16 and 16.Tompkins specifies the third connection as 7/16-20 female O-ring. Matching that gauge-port thread prevents confusing this FB version...Regular price $78.02Regular price $78.02 -
GP6400-12-12-04FP Tompkins JIC-to-O-Ring Gauge Port, -04 Female Pipe Port
For installations built around JIC-to-O-ring connections, GP6400-12-12-04FP provides nominal sizes 12 and 12 plus a separate -04 female pipe port. This model uses matching nominal size 12 connections on the primary path; nearby part numbers step...Regular price $41.12Regular price $41.12
Gauge ports provide a convenient connection point for installing pressure gauges or accessing a hydraulic system for pressure monitoring and testing. This collection includes multiple gauge-port configurations designed to integrate a pressure connection into common hydraulic fitting arrangements.
Available styles include JIC-to-JIC, JIC-to-O-ring, and JIC swivel gauge ports in a range of nominal thread sizes. Depending on the series, the gauge connection is available with either a -04 SAE O-ring port or a -04 female pipe port.
When selecting a gauge port, confirm the fitting configuration first, then verify the nominal thread sizes on both ends and the type of gauge connection required. Fixed JIC configurations and swivel designs serve different installation needs, while JIC-to-O-ring versions provide an option for systems using SAE O-ring connections.
Gauge ports are part of the pressure-monitoring connection between the hydraulic system and the measuring equipment. If you also need the instrument itself, browse our complete pressure gauges collection.
Use the products below to compare gauge ports by fitting family, port type, nominal thread size, and connection configuration.