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Threaded plug for Allen key UNF AGJ 1 5/16" JIC

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Manufacturer: HYDRON hydraulika siłowa (go to products)

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Threaded plug for Allen key UNF AGJ 1 5/16" JIC

The threaded plug for Allen key UNF AGJ 1 5/16" JIC is a steel hydraulic blanking plug designed for closing appropriately matched ports with an internal thread. The product features a 1 5/16" male thread in the UNF/UN-2A system and a hexagon socket allowing for installation using an Allen key. It can be used for blanking compatible connections in pumps, hydraulic control valves, and hose ends.

The plug is made of free-cutting steel protected by zinc plating with white passivation. The operating pressure specified for the product is 290 bar, and the operating temperature range covers -20°C to +120°C. The catalog designation according to Cast is 207507. The product is also referred to as a blanking screw for an Allen key.

Technical parameters of the UNF AGJ 1 5/16" JIC plug

Product type: hydraulic plug, blanking screw.
Nominal thread size: 1 5/16" (commercial notation 1.5/16").
Thread type: male UNF/UN-2A.
External thread diameter: 33.0–33.3 mm.
Internal thread diameter: 30.8–31.2 mm.
Socket type: hexagonal, for Allen key.
Operating pressure: 290 bar.
Operating temperature: from -20°C to +120°C.
Material: free-cutting steel.
Surface protection: zinc plating with white passivation.
Designation according to Cast: 207507.
Purpose: blanking of compatible threaded ports.
Example application: pumps, hydraulic control valves, and appropriate hose ends.
English name: Closure plug with hexagon socket head - thread UNF/UN-2A.

Application of the UNF AGJ 1 5/16" plug in power hydraulics

The plug with an Allen socket UNF AGJ 1 5/16" is used to close appropriately selected threaded ports in hydraulic system components. It can be used during equipment assembly, service work, component replacement, and blanking of unused connections.

Example application sites include pump bodies, hydraulic control valves, and compatible hose terminations. Before installing the plug, verify thread compatibility and the required sealing method, as not every port with an inch thread is adapted to the identical blanking plug design.

Male thread UNF/UN-2A 1 5/16"

The plug is equipped with a male thread in size 1 5/16". The product data sheet specifies an external thread diameter of 33.0–33.3 mm and an internal diameter of 30.8–31.2 mm. This data is helpful during size identification and when comparing the plug with a previously used component.

When measuring with a caliper, pay attention to the correct identification of the thread diameter. For inch connections, the pitch is also important, which can be checked with an appropriate thread gauge. When selecting, the geometry of the connection and the method of achieving tightness should also be taken into account.

Operating pressure 290 bar

For the UNF AGJ 1 5/16" JIC plug, an operating pressure of 290 bar is specified. This value is an important parameter when choosing a blanking plug for a hydraulic system, especially when the closed connection will remain under pressure during operation.

The permissible pressure of the complete connection also depends on the parameters of the mating port and other parts of the installation. Before use, ensure that the entire connection system meets the required operating conditions.

Operating temperature from -20°C to +120°C

The operating temperature range specified for the plug is from -20°C to +120°C. This parameter should be considered when selecting a component for a hydraulic installation, taking into account the medium temperature and ambient conditions.

The permissible temperature for the plug itself does not replace the verification of the parameters of the other parts of the connection, including any additional sealing elements used in a specific connection.

Hexagon socket for Allen key

The plug has an internal hexagon socket intended for assembly using an Allen key. This solution allows for tightening and unscrewing the blanking plug without the need to use a wrench that grips its external surface.

During assembly, use a key matched to the actual socket size. An incorrectly selected tool can lead to damage to the hexagon and make subsequent disassembly difficult.

Free-cutting steel and zinc plating with white passivation

The UNF AGJ 1 5/16" JIC threaded plug is made of free-cutting steel. The product surface has been protected with zinc plating with white passivation, which provides a protective layer limiting corrosion of the steel component.

When selecting a blanking plug, the operating environment of the installation, the properties of the hydraulic medium, and the material requirements of the mating components should be taken into account.

Catalog designation Cast 207507

The UNF AGJ 1 5/16" JIC plug is listed on the HYDRON product sheet with the designation Cast 207507. This number is helpful for identifying parts, comparing technical catalogs, and ordering the correct hydraulic blanking plug.

When selecting a replacement, confirm the compatibility of the thread, design, dimensions, and operating parameters. Designations from other manufacturers should not be assigned to the product without proper catalog confirmation.

UNF, AGJ and JIC – connection identification

The designations UNF, AGJ, and JIC appear in the nomenclature of inch hydraulic connections. For this plug, the manufacturer specifies a UNF/UN-2A thread and the design of a blanking screw with an Allen socket. Selection should be guided by the actual parameters of the plug and the design of the port being blanked.

An Allen key plug should not be automatically identified with a classic JIC fitting having a 37° sealing cone. The thread size alone does not confirm the compatibility of the sealing method; therefore, the documentation of the mating port should be checked before installation.

How to select a UNF AGJ 1 5/16" JIC plug?

Before purchasing, check the size and type of the internal thread in the port to be blanked. For this variant, a 1 5/16" UNF/UN-2A thread and an external diameter of 33.0–33.3 mm are specified. It is also important to match the plug's design to the mating surfaces.

Additionally, the operating pressure of 290 bar and the temperature from -20°C to +120°C must be considered. When replacing a previously used blanking plug, comparing the Cast 207507 designation and dimensions with the technical documentation of the device is helpful.

Assembly and leak test of the plug

Before assembly, turn off the device and safely depressurize the hydraulic system. Then clean the port thread, check the condition of the plug, and inspect the mating surfaces.

The plug should be screwed into a compatible port and tightened with an appropriately selected Allen key according to the requirements of the given connection. After assembly, check for proper fastening and tightness under safe conditions.

Technical Specification

Parameter	Value
Product name	Threaded plug for Allen key UNF AGJ 1 5/16" JIC
Product type	Plug / blanking screw
Thread	Male 1 5/16" UNF/UN-2A
External thread diameter	33.0–33.3 mm
Internal thread diameter	30.8–31.2 mm
Operating pressure	290 bar
Operating temperature	From -20°C to +120°C
Material	Free-cutting steel
Surface protection	Zinc plating with white passivation
Socket	Hexagonal for Allen key
Cast designation	207507
Purpose	Blanking of compatible threaded ports

Frequently Asked Questions (FAQ)

What thread does the UNF AGJ 1 5/16" JIC plug have?

The plug has a male inch thread 1 5/16" in the UNF/UN-2A system. The external thread diameter specified on the product sheet is 33.0–33.3 mm.

What is the operating pressure of the plug?

For this variant, an operating pressure of 290 bar is specified. When selecting, the permissible parameters of the mating connection should also be considered.

What is the operating temperature of the blanking plug?

The specified operating temperature range is from -20°C to +120°C.

What wrench is used to install the plug?

The product has a hexagon socket intended for assembly with an Allen key. The tool size should be matched to the actual socket.

What is the Cast designation for the plug?

The Cast catalog designation provided on the product sheet is 207507.

What material is the blanking plug made of?

The plug is made of free-cutting steel protected by zinc plating with white passivation.

Does the plug fit every JIC 1 5/16" connection?

No. In addition to the thread size, you must check the port design, sealing method, and operating parameters of the connection. The matching nominal size alone does not guarantee compatibility.