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NAS 143
- Washers - 4130 or Equiv., 125,000 to 145,000 Psi, Countersunk & Plain Types
- Data Sheet by Aerospace Industries Association - National Aerospace Standard, 09/15/1954
- Publisher: NAS
$35.00$69.00
Inactive for Design after 9-1-54. See Ms 20002 for Definition and Application of Drawing Status Notes, See Ana Bulletin No. 337.