NA 131
DIN Standards Committee Aerospace
DIN EN 4554 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| EN 4550-2 | 2003-01 | Aerospace series - Pipe coupling 37°; Design configuration; Inch series - Part 2: Port ends More |
| EN 4550-3 | 2003-01 | Aerospace series - Pipe coupling 37°; Design configuration; Inch series - Part 3: Port connections More |
| ISO 3161 | 1999-12 | Aerospace - UNJ threads - General requirements and limit dimensions More |
