AIA/NAS NAS 1257-1977
Bolt, 100 Degree Flush Head Hi-Torque Recess, .0312 Oversize Short Thread, Alloy Steel, 160,000 psi (Rev. 6) [Use: AIA/NAS NAS 380, AIA/NAS NAS 380, AIA/NAS NAS 1790]

Standard No.

AIA/NAS NAS 1257-1977

Release Date

1977

Published By

Aerospace Industries Association/ANSI Aerospace Standards

Status

Withdraw

Latest

AIA/NAS NAS 1257-1977

Scope

GRIP LENGTH IS FROM TOP OF BOLT HEAD TO END OF FULL CYLINDRICAL PORTION OF SHANK

AIA/NAS NAS 1257-1977 history

• 1977 AIA/NAS NAS 1257-1977 Bolt, 100 Degree Flush Head Hi-Torque Recess, .0312 Oversize Short Thread, Alloy Steel, 160,000 psi (Rev. 6) [Use: AIA/NAS NAS 380, AIA/NAS NAS 380, AIA/NAS NAS 1790]