LOCTITE® 277 is designed for the permanent locking and sealing of threaded fasteners. The product cures when confined in the absence of air between close fitting metal surfaces and prevents loosening and leakage from shock and vibration. Typical applications include the locking and sealing of large bolts and studs (M25 and larger).
Mil-S-46163A
LOCTITE® 277 is tested to the lot requirements of Military Specification Mil-46163A.
Note: This is a regional approval.