Internal Wrenching Self-Locking Nut, #10-32, UNJF-3B, 0.188 in H, Steel
Bottom line: stock is on the shelf, lock in a quote with trace documents today.
NAS679A3W shows 4 offers from 4 suppliers with stock ready to ship. For AOG and tight maintenance windows this is the profile you want: confirmed availability instead of open-ended lead times.
Price guidance: $0.53 - $2.94, depending on condition (NE, NS). In-stock parts move fast, so lock in a quote with trace documents early instead of re-sourcing mid-repair.
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