LOCTITE Letter Grade HVV
(Known as Loctite Letter Grade HVV (571) )
LOCTITE® Letter Grade HVV (571) is designed for the locking and sealing of metal tapered threads and fittings. The product cures when confined in the absence of air between close fitting metal surfaces and prevents loosening and leakage from shock and vibration. Mil Spec: Mil-S-22473E Grade HVV. ASTM-D5363: Group1 Class6 Grade 3.