3M 7000125979 Halation Port Gasket Replacement

Product Description

The 3M 7000125979 is a replacement halation port gasket designed for use in the side inlet DIN ports of 3M Full Facepiece 7800S respirators. This small but critical sealing component maintains an airtight interface at the port connection, helping preserve the integrity of the facepiece assembly during use. It is a direct OEM-style replacement intended for respiratory protection equipment maintenance. Installation is typically performed by safety equipment technicians or industrial hygiene personnel responsible for maintaining supplied-air or air-purifying respirator inventories.

This gasket is used in occupational and industrial settings where 3M Full Facepiece 7800S respirators are deployed. Common applications include chemical processing, hazardous material handling, painting operations, and confined space entry where a full facepiece respirator is required. It supports preventive maintenance programs by restoring proper port seals without replacing the entire facepiece assembly.

Key Features

• Designed for side inlet DIN ports on 3M Full Facepiece 7800S respirators
• Maintains airtight seal at the halation port connection
• OEM-style replacement part for extended facepiece service life
• Lightweight at 0.2 pounds per unit
• Sold individually with a minimum order quantity of 1

Compatibility

Designed for use in the side inlet DIN ports of 3M Full Facepiece 7800S respirators as a direct replacement gasket component.

Installation Notes

Installation should be performed by a qualified safety equipment technician or trained respirator maintenance personnel. Before servicing, remove the facepiece from service and ensure it is fully decontaminated per your facility's respiratory protection program procedures. Inspect the port and surrounding sealing surfaces for damage before installing the new gasket. Follow the manufacturer's assembly guidelines and applicable OSHA respiratory protection standards when returning the facepiece to service.

Technical Specifications

• Weight: 0.2 pounds
• UPC: 50021200603285

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000125979