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MS16995-10B
Military Standard Socket Head Cap Screws
Description
Fastener Length: 3/8", Thread: 4-40, Head Width: 3/32", Thread Length: 3/8", black oxide, MS16995 series screw
Specifications
| Drive Style | Hexagon |
|---|---|
| Fastener Length | Between 0.345 inches and 0.375 inches |
| Hardness Rating | 80.0 rockwell b |
| Head Diameter | Between 0.176 inches and 0.183 inches |
| Head Height | Between 0.108 inches and 0.112 inches |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 3/8 |
| Material | Steel |
| Material Specification | 66 federal standard 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 |
| Surface Treatment | Oxide |
| Surface Treatment Specification | Type 4 military specification single treatment response mil-c-13924 |
| Thread Class | 3a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.295 inches and 0.375 inches |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 4 |
| Width Across Flats | Between 0.094 inches and 0.095 inches |
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.
- NAS1352C04LL6 NAS #4-40 · 3/8 in · Flat chamfer · CRES
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Catalog data updated 2026-07-05. Report a data error