MATERIAL: - Nut : corrosion resistant steel A286 in accordance with AMS5732 to 5737.
- Washer : corrosion resistant steel series 300 or AMS5525.
SURFACE TREATMENT: - Nut : Silver plate 5 to 10 µm in accordance with EN 2786 + Cetyl Alcohol.
- Washer : Passivation in accordance with AMS2700.
CLASSIFICATION: 900 MPa (at ambient temperature) / 235°C.
THREAD: MJ in accordance with ISO 5855-2.
TOLERANCES OF FORM AND POSITION: In accordance with ISO 8788.
MARKING: MJ - SD in accordance with EN 2424 – Category N + letter C on the area indicated on the drawing.
QUALIFICATION AND ACCEPTANCE CONDITIONS: ISO5858. Except tensile strength per table. Locking torque tested with titanium pin only single cycle re-usability (JN0011 to JN0014).
Contact Howmet for the diameter/type in manufacturing.