A286 corrosion resistant steel per AMS 5525 or E-Z6NCT25 or Z6CNT18-10 or equivalent.SURFACE TREATMENT:
Dry film lubricant in accordance with EN2491.CLASSIFICATION:
900 MPa (at ambient temperature) / 315 °C.THREAD:
- PROFILE: ISO M in accordance with NFL 05220.
- TOLERANCES: in accordance with NFL 05224.
+ manufacturer monogram + letter C in accordance with NFL 22036 on the area indicated on the drawing.QUALIFICATION AND ACCEPTANCE CONDITIONS:
LN 65016.OPTIONS :
Countersunk rivet holes as indicated on the drawing. Add code K after the reference. (ex.: LA145K).
Contact Alcoa for the diameter/type in manufacturing.