4a. 52-W-1832_Support Drawings_4 Sheets.pdf

This file contains technical engineering drawings for components of a Heavy Weight Fairlead Beam Assembly for an Aircraft Arresting System, specifically showing detailed specifications for a sheave fairlead rear, sheave support fairlead rear, tape guide, and bearing tape shear components under contract F41608-80-G-0037-0029 (FSCM 21439).

The drawings provide precise manufacturing specifications including dimensions, tolerances, materials, finish requirements, and assembly details. Key specifications include hardcoat requirements per MIL-W-8625, marking/identification requirements per MIL-STD-130, and specific concentricity tolerances in relation to diameter measurements. The components are designed to direct and support the purchase tape path as part of the arresting system. Materials called out include aluminum alloy 6061-T6 as an alternate material option. The drawings include critical manufacturing notes regarding sharp edge treatments, surface textures per ANSI B46.1-1978, and welding specifications per AWS/ANSI 2.4.78.