Square-headed M plug 1/2" - code: 0290D - Maestrini

1/2" Square Head Male Plug Maestrini (code 0290D)

The 1/2" Square Head Male Plug Maestrini, Osculati code 0290D, is a component designed to close a threaded end in systems and connection lines where it is necessary to interrupt or protect an unused passage. The format with square head is a practical solution in maintenance and installation contexts, as it allows an easy grip during assembly and disassembly operations.

Features and details

The product is an male plug (M Plug) with square head, in size version. It is offered with unique identification through supplier code, useful for reorders and spare parts management.

Product identification

• Product: Square head M cap
• Size: 1/2″
• Supplier code: 0290D
• Brand / supplier: Maestrini S.R.L. Sole Proprietorship
• SKU: MAES000047

Shape and practicality of the square head

The square head is a typical configuration for plugs and closing components intended to be handled easily. In many technical installations, having a defined grip point helps to operate even in workspaces that are not always comfortable, such as technical compartments or system areas.

Note on compatibility

Compatibility depends on the type of threading and the component on which the plug is installed. In the absence of further technical data, it is recommended to verify the size match 1/2″ with the existing connection and refer to the code 0290D for a certain comparison.

Typical applications

A male plug is commonly used to close an outlet, a branching point or a prepared connection that must not be used at that moment. In nautical and system contexts, it can be useful both during outfitting and maintenance interventions, when it is necessary to isolate a line or complete a fitting.

• Closing unused connections on fittings and line components
• System completion during installation or modification
• Maintenance: temporary or permanent closure of a connection point
• Protection of a threaded end when not connected

To correctly choose the component, it is good practice to check the size of the fitting and the configuration of the point to be closed, so as to avoid incorrect pairings.

Advantages

Although it is a simple component, a properly selected plug helps maintain order and functionality in the system. The model with a square head offers practical handling during installation operations.

• Essential and tidy solution to close a threaded point
• Square head for a comfortable grip during assembly and disassembly
• Clear identification via Maestrini code 0290D for organization and spare parts
• Suitable format for technical and maintenance contexts

Usage and operational notes

For correct installation, it is important to operate carefully and with appropriate tools, avoiding improper tightening. In particular, before assembly, it is useful to check that the threading of the installation point is clean and in good condition.

Practical advice

• Check the size 1/2" and the match with the fitting to be closed.
• Identify the product by code 0290D to ensure you order the correct component.
• During maintenance operations, consider whether the closure is temporary or permanent based on the system's needs.

Spare parts management and reorder

To simplify warehouse and spare parts management, keep the reference Maestrini 0290D and the SKU MAES00000047. This data helps reduce errors during reordering and maintain consistency between installed components and ordered components.

FAQ – Frequently Asked Questions

What is the 1/2" Square Head Male Plug Maestrini 0290D?

It is a male plug (Male Plug) with a square head in size 1/2", identified by the Maestrini code 0290D, used to close an unused threaded connection.

What is the purpose of the square head of the cap?

The square head provides a practical grip point for assembly and disassembly operations, especially useful in installation and maintenance contexts.

How do I check if this plug is the right one for my system?

Check that the size of the connection to be closed is 1/2" and compare the supplier product code 0290D for certain identification of the component.

Is this product suitable as a replacement in the nautical field?

It is a typical component for systems and fittings and can be used as a replacement or completion in technical contexts, including onboard systems, always verifying the size and connection match.

What data should I use to reorder the same item?

To reorder the same product use the Maestrini supplier code 0290D and, if useful for internal management, the SKU MAES00000047.