nuts › self-locking hexagon nuts
NAS679C4W
Hex Nut
Description
Hex Nut
Specifications
| Bearing Surface Finish | 125 microinches |
|---|---|
| Bearing Surface Type | Chamfered or washer faced |
| Countersink Angle | 120 degrees nut |
| Locking Feature | Prevailing torque all metal design |
| Material | Iron |
| Material Specification | Ams 5525 assn standard single material response |
| NIIN | 00-720-7644 |
| NSN | 5310-00-720-7644 |
| Nut Height | 0.219 |
| Nut Style | Hexagon |
| Precious Material | Silver |
| Special Features | Internal wrenching |
| Specification Data | 81205-bacn10by manufacturers standard |
| Surface Treatment | Silver |
| Surface Treatment Specification | Ams 2410 assn standard single treatment response |
| Temperature Rating | 800 degrees fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.25 |
| Weight | .005 lb |
| Width Across Flats | Between 0.43 inches and 0.439 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
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.
- BACN10JC4CD BAC 1/4-28 · Iron
- MS21083C4 MS 1/4-28 · CRES
- MS21083D4 MS 1/4-28 · Aluminum
- NAS679A4 NAS 1/4-28 · Steel
- NAS679C4M NAS 1/4-28 · CRES
- NAS679C4MW NAS 1/4-28 · Iron
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Catalog data updated 2026-07-05. Report a data error