Nas1057 Spacers |work| | Direct

However, in aerospace engineering, “spacers” used alongside NAS1057 bolts are often series (hexagonal standoffs/spacers) or custom NAS1066 / NAS1067 (bushings and sleeves).

This request is slightly ambiguous, as refers to a specific aerospace fastener standard (for bolts and screws, typically with a tension head or reduced hex), not a spacer. nas1057 spacers

for slip fit. Example: