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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GP6504-16-16-04FB Tompkins JIC Swivel Gauge Port, -04 SAE O-Ring Port
The GP6504-16-16-04FB part number identifies a specific GP6504 connection package: JIC swivel, nominal size 16, nominal size 16, and the FB gauge-port style.The swivel geometry distinguishes GP6504 from the fixed JIC-to-JIC designs. Tompkins lists the fitting...Regular price $51.58Regular price $51.58 -
GP6504-12-12-04FP Tompkins JIC Swivel Gauge Port, -04 Female Pipe Port
Within Tompkins' pressure-test fitting range, GP6504-12-12-04FP provides a JIC swivel path and a dedicated -04 female pipe port in one gauge-port configuration. At the gauge connection, Tompkins calls out 1/4-18 female pipe. That is the detail...Regular price $34.09Regular price $34.09 -
GP6504-12-12-04FB Tompkins JIC Swivel Gauge Port, -04 SAE O-Ring Port
For buyers replacing an existing gauge-port fitting, GP6504-12-12-04FB matches a JIC swivel arrangement with 12 and 12 nominal connections.The GP6504 family adds a female JIC swivel to the primary connection path, paired with a male JIC...Regular price $34.09Regular price $34.09 -
GP6504-10-10-04FP Tompkins JIC Swivel Gauge Port, -04 Female Pipe Port
Tompkins part GP6504-10-10-04FP pairs a JIC swivel body with nominal sizes 10 and 10, then adds a -04 female pipe port as the gauge connection. On GP6504, one side is a male JIC connection and the...Regular price $31.57Regular price $31.57 -
GP6504-10-10-04FB Tompkins JIC Swivel Gauge Port, -04 SAE O-Ring Port
GP6504-10-10-04FB is not just another GP6504 gauge port; it is the exact 10/10 nominal-size version using the FB gauge-port configuration.Tompkins specifies the third connection as 7/16-20 female O-ring. Matching that gauge-port thread prevents confusing this FB...Regular price $31.57Regular price $31.57 -
GP6504-08-08-04FP Tompkins JIC Swivel Gauge Port, -04 Female Pipe Port
The quickest way to distinguish GP6504-08-08-04FP from neighboring GP6504 part numbers is the combination of 08/08 nominal sizes and the -04 female pipe port. The 08/08 pairing sits in the middle of the available nominal-size range,...Regular price $25.67Regular price $25.67
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.