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Henkel Adhesive Technologies

Henkel Adhesive Technologies



First generation, red, high-strength threadlocker (Military Spec)

Original, high strength and low-viscosity threadlocker formulation from the 1950s. Designed for locking and sealing fine-threaded nuts, bolts and studs in legacy applications where compliance to Mil-S-22473E Grade A is required.

All marks used are trademarks and/or registered trademarks of Henkel and its affiliates in the US, Germany, and elsewhere.

Part no. (SKU/IDH)

LOCTITE® GRADE A, 50 ml Bottle



When you need to lock and seal fine threaded nuts, bolts and studs in legacy applications where certification to Mil-S-22473E Grade A is required, choose LOCTITE® Grade A (88). This red, high strength, high viscosity anaerobic curing adhesive cures in the absence of air and presence of metal. It also fluoresces under UV light – great for quality control.

Agency approvals / certificates / specifications:

MIL-S-22473E for existing designs





Key characteristics:

Mix: no mix required,Strength: high strength,Viscosity: low viscosity

Mixed: Cure type:

Anaerobic cure

Number of components:

1 part

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