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NAS680C4
Two Lug Locknut Plate
Description
Thread Size: 1/4", Nut Length: 1-1/4", Nut Height: 9/32"
Specifications
| Center To Center Distance Between Mounting Holes Along Length | 1.000 |
|---|---|
| Distance From Aperture Center To Mounting Hole Center | 0.500 |
| Locking Feature | Prevailing torque all metal design |
| Material | Iron |
| Material Specification | Ams 5525 assn std single material response |
| Mounting Hole Arrangement Style | 2 holes |
| Mounting Hole Diameter | 0.098 inches minimum and 0.103 inches maximum |
| Nut Height | 0.281 inches maximum |
| Nut Length | 1.260 inches maximum |
| Nut Mounting Provision | Straight holes |
| Nut Style | Plate |
| Plate Thickness | 0.055 inches maximum |
| Plate Width | 0.414 inches maximum |
| Precious Material | Silver |
| Surface Treatment | Silver |
| Temperature Rating | 800.0 deg fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNF |
| Thread Size | 0.250 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS680C3
- NAS680C3M
- NAS680C04M
- NAS680C4
- NAS680C06
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- MS21047L4K MS 1/4-28 · Steel
- MS21051L4K MS 1/4-28 · Steel
- MS21087L4 MS 1/4-28 · Iron
- NAS1067A4 NAS 1/4-28 · Steel
- NAS680A4K NAS 1/4-28 · Steel
- NAS680X4 NAS 1/4-28 · Steel
- NAS682X4 NAS 1/4-28 · Steel
- NAS684X4 NAS 1/4-28 · Steel
- NAS696C4 NAS 1/4-28 · Iron
- NAS697C4 NAS 1/4-28 · Iron
- NAS698C4 NAS 1/4-28 · Iron
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error