External-Square Male Threaded Port Plug — AODSON Reference

A solid male-threaded closure with a square wrench head. Its drive geometry gives a different tool-access choice from hex-head and internal-socket port plugs; the source photo shows several size examples.

Sealing options

Tapered-thread interference, sealant, tape, gasket or project-specific sealing are identified as alternatives

Plug configuration

Solid male-threaded closure plug with external square drive

Thread options

NPT, BSPT, BSPP, metric or drawing-specific thread forms are alternatives requiring receiving-port matching

Technical selection

Specifications and configuration

Reference — AODSON square-head threaded pipe plug reference

Parameter	Documented value / configuration
Plug configuration	Solid male-threaded closure plug with external square drive
Thread options	NPT, BSPT, BSPP, metric or drawing-specific thread forms are alternatives requiring receiving-port matching
Sealing options	Tapered-thread interference, sealant, tape, gasket or project-specific sealing are identified as alternatives

Manufacturer series reference. Confirm the exact order code, mating parts and stated conditions for the quoted configuration.

Overview

This plug closes an unused female port while providing an external square drive for socket or wrench engagement. It is specified as a closure fitting, not an independently rated manifold component.

Construction and interfaces

The manufacturer photo shows four size examples with solid closed heads and male threads. Square drive size and head height are selected to the required installation tool and clearance.

Selection

Select NPT, BSPT, BSPP, metric or drawing-specific threads from the actual receiving port. Nominal size and visual similarity alone do not establish mating or sealing interchangeability.

Configuration options

Thread engagement, square across-flats, material and sealing may be specified to drawing. The source lists taper interference, compound, tape, gasket or other project seal as alternatives.

Application limits

The photo does not establish pressure capacity or universal coolant compatibility. The joint depends on mating port, material, installation torque, temperature and approved seal arrangement.