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MS21295-21
Military Standard Socket Head Cap Screw
Description
Fastener Length: 29/64", Thread: 8-32, Head Width: 9/64", Thread Length: 29/64
Specifications
| Fastener Length | 0.423 inches minimum and 0.453 inches maximum |
|---|---|
| Hardness Rating | 80.0 rockwell b minimum |
| Head Diameter | 0.262 inches minimum and 0.270 inches maximum |
| Head Height | 0.159 inches minimum and 0.164 inches maximum |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 29/64 |
| Locking Feature | Patch threads or pellet threads or strip threads |
| Material | CRES |
| Material Specification | 66 fed std all material responses |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| Minimum Yield Strength | 30000 pounds per square inch |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.391 inches minimum and 0.453 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNC |
| Thread Size | 8 |
| Width Across Flats | 0.140 inches minimum and 0.142 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.
- NAS1352C08-7 NAS #8-32 · 29/64 in · Flat chamfer · CRES
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Catalog data updated 2026-07-05. Report a data error