nuts › self-locking hexagon nuts
MS21044D02
Military Standard Locking Hexagon Nut Self
Description
Self-Locking Hexagon Nut
Specifications
| Bearing Surface Type | Chamfered |
|---|---|
| Locking Feature | Prevailing torque with nonmetallic insert |
| Material | Aluminum |
| Material Specification | Qq-a-200/2 fed spec 1st material response or qq-a-225/5 fed spec 2nd material response or qq-a-225/6 fed spec 3rd material response or qq-a-200/11 fed spec 4th material response |
| Nut Height | 0.133 inches minimum and 0.153 inches maximum |
| Nut Style | Hexagon |
| Temperature Rating | 250.0 deg fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty Per Inch (tpi) | 56 |
| Thread Series | UNJC |
| Thread Size | 0.0860 |
| Width Across Flats | 0.243 inches minimum and 0.251 inches maximum |
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.
- MS21044C02 MS #2-56 · CRES
- MS21044N02 MS #2-56 · Plastic
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error