Fed-Std ZZ-T-391 Note 2 (2015).pdf

This document is a Federal Specification (ZZ-T-391E) dated June 23, 1982, covering solid rubber tires and wheels for industrial applications. The specification provides comprehensive technical requirements for commercial and industrial tires used in various material handling equipment such as forklifts, low tractors, warehouse trailers, and similar industrial vehicles. It details tire classifications across multiple types and styles, including cured and pressed tire assemblies, with specific requirements for tire characteristics like physical properties, tread types, elastomer composition, and performance standards.

The specification outlines rigorous quality assurance provisions, including detailed inspection criteria, testing protocols, and acceptable quality levels. It covers tire types ranging from standard solid tires with smooth or non-directional traction treads to specialized industrial solid-tire-on-pneumatic-rim configurations. Key technical specifications include durometer hardness, tensile strength, elongation, and performance tests for factors like indoor endurance, adhesion, and resistance to various environmental conditions such as heat, ozone, and low temperatures. The document is intended for use by all government agencies and includes provisions for military and commercial tire requirements.