MATERIAL: C1050 carbon steel per AMS5085 or 25CD4 or 35CD4 or equivalent.
SURFACE TREATMENT: Cadmium in accordance with AMS-QQ-P-416 Type II, class 3 + Dry film lubricant 5900 in accordance with LN9368 Teil7.
CLASSIFICATION: 1100Mpa / 235°C.
THREAD: - PROFILE: ISO M in accordance with NFL 05220.
- TOLERANCES: in accordance with NFL 05224.
TOLERANCES OF FORM AND POSITION: In accordance with ISO 8788.
MARKING: + SD in accordance with NFL 22036 on the area indicated on the drawing.
QUALIFICATION AND ACCEPTANCE CONDITIONS: LN 65016 except axial tensile strength.
OPTIONS : - Countersunk rivet holes as indicated on the drawing. Add code K after the reference (ex.: 5SF 5009MK).
- Metal cap: Add code B after the type of the nut (example: 5SFB 5009M).