NA 131
DIN Standards Committee Aerospace
Project
Aerospace series - Bolt, normal hexagonal head, coarse tolerance normal shank, medium length thread, in heat resisting nickel base alloy, aluminium IVD coated - Classification: 1 250 MPa (at ambient temperature) / 425 °C
Begin
2025-02-17
WI
04004960
Planned document number
DIN EN 4131 rev
Project number
13116857
Responsible national committee
NA 131-03-01 AA - Aerospace fasteners
