Product Code:SAE AS4679 Title:Washer, Flat, Short Flareless Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies Scope:No scope available.Product Code:SAE AMS6442 Title:Steel Bars and Forgings 0.50cr (0.98-1.10c) (SAE 50100) for Bearing Applications (Cancelled Sep 2003) Issuing Committee:Ams E Carbon And Low Alloy Steels Committee Scope:This specification covers a low-alloy steel in the form of bars, forgings, and forging stock. Primarily for parts of small cross-section, such as needle bearings, requiring a through-hardening steel usually with hardness of approximately 60 HRC and subject to very rigid inspection standards.