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MS16997-98
3/8-16X7/8 MS16997 Military Socket Head Cap Screw Cadmium Yellow DFAR
Description
Fastener Length: 7/8", Thread: 3/8-16, Head Width: 5/16", Thread Length: 3/4", MS16997 series screw
Specifications
| Diameter | 3/8 |
|---|---|
| Drive | Socket |
| Drive Style | Hexagon |
| Fastener Length | Between 0.844 inches and 0.875 inches |
| Finish | Cadmium Yellow, Cadmium ll |
| Full Size | 3/8-16 x 7/8 |
| Hardness Rating | 36.0 rockwell c and 45.0 rockwell c |
| Head Diameter | Between 0.550 inches and 0.562 inches |
| Head Height | Between 0.368 inches and 0.375 inches |
| Head Style | Flat chamfer, Socket Head |
| Internal Drive Style | Hexagon |
| Length | 7/8 |
| Material | Steel |
| MilspecPart | MS16997 |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Minimum Yield Strength | 130000 pounds per square inch |
| Size | 3/8-16 |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Cl 3 federal specification all treatment responses type 2 qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.375 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.719 inches and 0.750 inches |
| Thread Qty | 16 |
| Thread Qty Per Inch (tpi) | 16 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 3/8 |
| Thread Type | N.C. - Coarse, UNC |
| Threads Per Inch | 16 |
| U.O.M. | Imperial |
| Width Across Flats | Between 0.312 inches and 0.316 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS16997-98. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error