MATERIAL:
  • Nut : Corrosion resistant steel Z6NCT25 or equivalent in accordance with TR 3791, heat treated.
  • Bracket: Corrosion resistant steel Z6NCT25 or equivalent in accordance with TR 3791, heat treated.
  • Clip : Corrosion resistant steel Z12CN18 or equivalent in accordance with TR 3791, heat treated.
SURFACE TREATMENT:
  • Nut : Dry film lubricant in accordance with EN 2491.
  • Nut : Dry film lubricant in accordance with EN 2491.
  • Clip : Passivation in accordance with EN 2516.
CLASSIFICATION: 1100 MPa (at ambient temperature) / 315°C

THREAD:
  • PROFILE : ISO M in accordance with NFL 05220 or AICMA 0501A.
  • TOLERANCES : in accordance with NFL 05224 or AICMA 2011A.
TOLERANCES OF FORM AND POSITION: In accordance with ISO 8788.

MARKING: - SD + letter C in accordance with NFL 22036 on the area indicated on the drawing.

QUALIFICATION AND ACCEPTANCE CONDITIONS: NFL 22500 or AICMA 2053.

Contact Alcoa for the diameter/type in manufacturing.
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Item #

A ±0.2

B - MAX

C ±0.1

D +0.1 / +0

J ±0.05

K +0.2 / +0

M - MIN

N - MAX

Thread

5 SFR 5045 N/A 25.000 mm N/A 11.500 mm N/A 9.500 mm N/A 5.500 mm N/A 19.000 mm N/A 2.500 mm N/A 3.000 mm N/A 12.500 mm N/A M5 x 0.8 – 4H5H
6 SFR 5045 N/A 29.000 mm N/A 14.100 mm N/A 11.000 mm N/A 6.500 mm N/A 22.000 mm N/A 3.300 mm N/A 3.300 mm N/A 15.000 mm N/A M6 x 1.0 – 4H5H
8 SFR 5045 N/A 33.000 mm N/A 16.500 mm N/A 13.000 mm N/A 8.600 mm N/A 26.000 mm N/A 3.300 mm N/A 3.800 mm N/A 18.500 mm N/A M8 x 1.25 – 4H5H
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