As listed
| Field | Value |
|---|---|
| Seller | Aircraft Spruce |
| All metal (per the listing) | K2000 = MS21051 = NAS682A; MK2000 = MS21071 = NAS696A |
| Elastic insert | MS21080 (NA17) |
| 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
The MS21051 is the part LAS's single-lug drill jigs are made for, with the hole spacing per screw size.
Two-lug versions: K1000.
Sizes listed
| Material | Part No. | Thread Size |
|---|---|---|
| Elastic Insert | MS21080-3 | 10-32 |
| All Metal | K2000-3 | 10-32 |
| All Metal | K2000-06 | 6-32 |
| All Metal | K2000-08 | 8-32 |
| All Metal | K2000-4 | 1/4-28 |
| All Metal | MK2000-3 | 10-32 |
| All Metal | MK2000-06 | 6-32 |
| All Metal | MK2000-08 | 8-32 |
| All Metal | MK2000-4 | 1/4-28 |
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 — One Lug Anchor Nuts — product listing, checked 2026-09-30.