VV-P-216C, FEDERAL SPECIFICATION: PENETRATING OIL (FOR LOOSENING FROZEN METALLIC PARTS) (16 DEC 1982) [S/S BY A-A-50493]

VV-P-216C, FEDERAL SPECIFICATION: PENETRATING OIL (FOR LOOSENING FROZEN METALLIC PARTS) (16 DEC 1982) [S/S BY A-A-50493]., This specification covers the requirements for a penetrating oil to free metallic parts resisting movement due to corrosion.