NA 131
DIN Standards Committee Aerospace
Project
Aerospace series - Screw, 100° countersunk normal head, offset cruciform recess, close tolerance shank, short thread in titanium alloy, aluminium IVD coated - Classification: 1 100 MPa (at ambient temperature) / 425 °C
Begin
2026-03-13
WI
04005011
Planned document number
DIN EN 4072 rev
Project number
13116923
Responsible national committee
NA 131-03-01 AA - Aerospace fasteners