NA 131
DIN Standards Committee Aerospace
DIN EN 3631 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| EN 2157-3 | 1993-08 | Aerospace series; steel; forging stock and forgings; technical specification; part 3: pre-production and production forgings More |
| EN 2424 | 2008-05 | Aerospace series - Marking of aerospace products More |
| EN 3633 | 2008-05 | Aerospace series - Installation hole for fluid fittings, flanged More |
