As listed
| Field | Value |
|---|---|
| Seller | Aircraft Spruce |
| Designations (per the listing) | K1000 = MS21047 = NAS680 = NAS1023A |
| Type | Two lug, all metal, full size |
| Rivet holes | Plain, or dimpled (MS21047L…K) |
| Threads | 6-32 to 1/4-28 |
| Listing checked | 2026-09-30 |
Taken from Aircraft Spruce's product page on 2026-09-30. Where the listing does not state a figure, this table does not either.
What it is for
Per the listing, anchor nuts are for blind mounting, where a hex nut cannot be reached or an attached nut makes maintenance easier. The dimpled-lug version is for dimpled skins.
Drill the two rivet holes with a jig: anchor nut jigs at LAS list the hole spacing per screw size, Yardstore's jig set the US option. The miniature version is MK1000.
Sizes listed
| Material | Thread Size | Description | Part Number |
|---|---|---|---|
| All Metal | 6-32 | Plain Rivet Holes | K1000-06 |
| All Metal | 8-32 | Plain Rivet Holes | K1000-08 |
| All Metal | 10-32 | Plain Rivet Holes | K1000-3 |
| All Metal | 1/4-28 | Plain Rivet Holes | K1000-4 |
| All Metal | 5/16-24 | Plain Rivet Holes | K1000-5 |
| All Metal | 3/8-24 | Plain Rivet Holes | K1000-6 |
| All Metal | 6-32 | Dimpled Rivet Holes | MS21047L06K |
| All Metal | 8-32 | Dimpled Rivet Holes | MS21047L08K |
| All Metal | 10-32 | Dimpled Rivet Holes | MS21047L3K |
As listed by Aircraft Spruce on 2026-09-30. Check the live listing before ordering: stock and part numbers change.
Where to buy
The link opens Aircraft Spruce's own page for this item, so the price and stock you see are theirs and current. We do not copy prices.
The Aviation Point links to third-party manufacturer and distributor websites. We may earn a commission on purchases made through these links, at no additional cost to you. The Aviation Point has no partnership or affiliate agreement with Aircraft Spruce, and these links carry no tracking parameters.
Sources
- Aircraft Spruce — Two Lug All Metal Anchor Nuts K1000 Full Size — product listing, checked 2026-09-30.