This specification covers the general requirements, property and performance requirements, quality, qualification, source approval, and quality control for cab insulators and composite heat shields.

NOTE: For existing engineering drawings/blueprints which reference this specification but do not specify a Type (I, II, III, IV, V, VI, VII, VIII, IX, X, or XI), assume Type I

Restricted Chemical Substances

All product supplied to the requirements of this specification must comply with the requirements of the MPAPS B-50 specification.