Nas1056 [hot] Jun 2026

Acting as a stable seat for other fasteners in high-vibration zones. NAS1056 vs. NAS1057 5 (5/16") Stainless Steel (Passivate) Round NAS1056 Spacer

A quick check of the NAS catalog shows that is not one of the most frequently cited standards (like NAS1835 for bolts or NAS1149 for washers). However, here is the most probable match: nas1056

Ensuring proper gap maintenance between fastened components in airframes. Acting as a stable seat for other fasteners

It seems you are referring to — likely a paper, standard, or document code. or document code.