Ingersoll Rand ns11-27 Anvil Spring Replacement Part

Product Description

The INGERSOLL RAND ns11-27 is an OEM-style anvil spring designed to restore proper function to compatible pneumatic impact tools. The anvil spring is a critical internal component that maintains tension and positioning within the impact mechanism. When this spring wears or breaks, the tool loses striking efficiency or fails to engage properly. This part is installed by air tool technicians and mechanics who service pneumatic impact wrenches and similar tools. It is a direct replacement intended to bring worn assemblies back to serviceable condition without replacing the entire tool.

This anvil spring is suited for use in professional shop and field environments where pneumatic impact tools are in regular service. It is compatible with tools in the NS11 family from Ingersoll Rand. Typical installation scenarios include routine preventive maintenance and repair of impact wrenches that show reduced torque output, erratic hammering, or complete loss of anvil drive caused by a failed spring component.

Key Features

• OEM replacement anvil spring for Ingersoll Rand pneumatic impact tools
• Restores proper anvil tension and impact mechanism function
• Compatible with the NS11 tool assembly
• Manufactured in Brazil to OEM specifications

Compatibility

Compatible with Ingersoll Rand manufacturer part number NS11. Also compatible with Grainger part numbers 3Y589, 3Y591, and 3Y593.

Installation Notes

Installation should be performed by a qualified air tool technician or mechanic familiar with pneumatic impact tool disassembly. Disconnect the air supply and depressurize the tool completely before beginning any internal service work. Use manufacturer service documentation for the NS11 assembly to ensure correct spring orientation and seating during reassembly. Avoid using excessive force when reinstalling internal components, as this can damage adjacent parts.

Technical Specifications

• Product Type: Anvil Spring
• Compatible Manufacturer Part Number: NS11
• Country of Origin: Brazil (subject to change)

Standard Information

• Brand: INGERSOLL RAND
• Manufacturer Part Number: ns11-27