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MS16998-43L
Military Standard Screw
Description
Fastener Length: 3/4", Thread: 1/4-28, Head Width: 3/16", Thread Length: 3/4
Specifications
| Drive Style | Hexagon |
|---|---|
| Fastener Length | Between 0.719 inches and 0.750 inches |
| Hardness Rating | 38.0 rockwell c and 45.0 rockwell c |
| Head Diameter | Between 0.365 inches and 0.375 inches |
| Head Height | Between 0.244 inches and 0.250 inches |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 3/4 |
| Locking Feature | Patch threads or strip threads |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Minimum Yield Strength | 150000 pounds per square inch |
| Nondefinitive Specification/Std Data | 6 type |
| Surface Treatment | Chromate and cadmium |
| Surface Treatment Specification | Cl 3 federal specification single treatment response type 2 qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.648 inches and 0.750 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 1/4 |
| Width Across Flats | Between 0.1875 inches and 0.1900 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS16998-43L. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error