NF L22-072:1991
Aerospace construction. Bolts and screws. 92 degrees cruciform recess.

Standard No.

NF L22-072:1991

Release Date

1991

Published By

Association Francaise de Normalisation

Latest

NF L22-072:1991

Replace

NF L22-072:1966

NF L22-072:1991 history

• 1991 NF L22-072:1991 Aerospace construction. Bolts and screws. 92 degrees cruciform recess.
• 0000 NF L22-072:1966