Bolts and Screws, Steel, Low Alloy, Heat Resistant Hardened and Tempered, Roll Threaded
This procurement specification covers aircraft quality bolts and screws made from a low alloy, heat resistant steel of the type identified under the Unified Numbering System as UNS K14675. The following specification designations and their properities are covered.
Add additional definitions to para 2.2. Update para 3.6 by adding “two to” three threads in agreement with NASM1312-8 test methodology. Added para 4.2 and completely revised para 4.4.3, 4.3.5 and TABLES 4, 5, 6 and 7 by removing sampling in accordance with MIL-STD-105 (AQL) and replacing with accept on “zero”. General updating for SAE requirements for obsolete specifications and standards.