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3D0068-04-6
Screw
Description
Fastener Length: 3/8", Thread: 4-40, Thread Length: 21/64"
Specifications
| Bearing Surface Of Head Surface Finish | 63.0 microinches |
|---|---|
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
| Fastener Length | 0.320 inches minimum and 0.380 inches maximum |
| Head Diameter | 0.193 inches minimum and 0.226 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type iii |
| Length | 3/8 |
| Material | Titanium |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Screw Material | Titanium alloy uns r56400 |
| Screw Material Specification | Ams 4928 assn std single material response or ams 4957 assn std single material response |
| Thread Class | 3a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.330 inches maximum |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNJC |
| Thread Size | 4 |
| Thread Surface Finish | 32.0 microinches |
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.
- NAS5600-6 NAS #4-40 · 3/8 in · Flat countersunk · Steel
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Catalog data updated 2026-07-05. Report a data error