Effective August 21st, 2023, the Naval Air Warfare Center Aircraft Division (NAWCAD) has disapproved Timken Aurora’s qualification status for SAE-AS81820 and SAE-AS81935 specifications. Timken Aurora is working diligently to get requalified.
- Body - 4340 alloy steel per AMS 6415 - heat treated - cadmium plated.
- Ball - 440C stainless steel per AMS 5630 - heat treated.
- Optional Ball - 13-8 Mo stainless steel per AMS 5629 - heat treated. (Specify by adding suffix "C" ex.: ASM-3TC)
- Race - 17-4 PH stainless steel per AMS 5643 - heat treated.
- PTFE Liner - (AT 3200) Permanently bonded to race inside diameter, qualified to SAE-AS81820 Type A.
- Temperature range: -65°F ...