3M 7000052737 Comfort Cradle Head Harness Attachment

Product Description

The 3M 7000052737 is a replacement comfort cradle head harness attachment designed for use with 3M Ultimate FX Full Facepiece Reusable Respirators. This component provides the structural interface between the respirator facepiece and the head harness, keeping the facepiece securely positioned during use. At 0.45 pounds, the assembly is lightweight, reducing fatigue during extended wear. It is intended as a direct replacement part for maintaining proper respirator fit and function. Safety professionals, industrial hygienists, and tradespeople who rely on full-facepiece respirators for respiratory protection will find this a straightforward OEM-style swap.

This harness attachment is used in industrial, construction, and maintenance environments where full-facepiece respirator use is required. Typical applications include confined space entry, chemical handling, abrasive blasting, and other tasks demanding a sealed respiratory system. It is suited for both residential and commercial job sites where 3M Ultimate FX full-facepiece respirators are the standard-issue PPE.

Key Features

• OEM replacement comfort cradle attachment for 3M Ultimate FX Full Facepiece Respirators
• Compatible with FF-401, FF-402, and FF-403 facepieces and the FF-400-04 head harness
• Lightweight construction at 0.45 pounds to minimize fatigue during extended wear
• Maintains proper facepiece positioning and seal integrity when correctly installed
• Minimum order quantity of 1 unit, sold per case UOM

Compatibility

Designed as a direct replacement for use with 3M Ultimate FX Full Facepiece Reusable Respirators FF-401, FF-402, and FF-403, and compatible with the 3M Head Harness FF-400-04.

Installation Notes

Installation of this head harness attachment should be performed by or under the guidance of a qualified safety officer or trained respirator user following the respirator manufacturer instructions. Before replacing the harness attachment, remove the respirator from service and ensure it is clean and decontaminated per your facility protocols. After installation, perform a positive- and negative-pressure user seal check in accordance with OSHA 29 CFR 1910.134 respiratory protection requirements before returning the respirator to service. Do not modify the harness attachment or use it with facepieces not listed in the compatibility information.

Technical Specifications

• Weight: 0.45 pounds
• UPC: 50051135894786
• Minimum Order Quantity: 1
• Unit of Measure: Case

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000052737