Loctite Sleeve Retainer 640 is a high temperature anaerobic adhesive that secures slip and press fit assemblies. Adds up to 3,000 psi holding power. Restores fit to worn or out-of-tolerance assemblies. Prevents surface corrosion. Works to 400°F.

Loctite Sleeve Retainer 640 Item# 37484 is the replacement for Loctite Retaining Compound 609 Item #37483 (IDH 492146).

Typical Applications: Cylinder sleeves, valve guides, valve seats, bearings and bushings, Woodruff keys, liner assemblies.