screws › socket head cap screws
MS16995-48B
Military Standard Socket Head Cap Screw
Description
Fastener Length: 33/64", Thread: 1/4-20, Head Width: 3/16", Thread Length: 33/64"
Specifications
| Fastener Length | 0.484 inches minimum and 0.516 inches maximum |
|---|---|
| Hardness Rating | 80.0 rockwell b minimum |
| Head Diameter | 0.365 inches minimum and 0.375 inches maximum |
| Head Height | 0.244 inches minimum and 0.250 inches maximum |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 33/64 |
| 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 |
| Nondefinitive Specification/Std Data | 6 type |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.384 inches minimum and 0.516 inches maximum |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNC |
| Thread Size | 1/4 |
| Width Across Flats | 0.188 inches minimum and 0.190 inches maximum |
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.
- NAS1352-4-8 NAS 1/4-20 · 0.516 in · Flat chamfer · Steel
- NAS1352C4-8 NAS 1/4-20 · 0.516 in · Flat chamfer · Steel
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error