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MS16997-9
Hexagon Socket Cap Screw
Description
MS 16997-9 Hexagon Socket Cap Screw
Specifications
| Alternate Part Number | 690926-01 NAS1352-04-4P |
|---|---|
| Country of Origin | USA |
| Drilling | Undrilled Head |
| Drive Style | Hexagon |
| Fastener Length | 0.250 |
| Finish | Cadmium ll |
| Hardness Rating | 36.0 rockwell c and 45.0 rockwell c |
| Head Angle | 100 ? |
| Head Diameter | Between 0.176 inches and 0.183 inches |
| Head Height | Between 0.108 inches and 0.112 inches |
| Head Style | Flat chamfer |
| Head Type | Socket |
| Industry Standards/Certification | MS16997 |
| Internal Drive Style | Hexagon |
| Length | 1/4 |
| Material | Steel |
| Material Specification | 66 federal standard single material response |
| Minimum Yield Strength | 130000 pounds per square inch |
| NIIN | 00-978-9342 |
| NSN | 5305-00-978-9342 |
| Size | 4-40 |
| Surface Treatment | Cadmium and chromate |
| Thread Class | 3a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.250 |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 0.1120-40 |
| Thread Type | N.C. - Coarse |
| Weight | 0.001 lb |
| Width Across Flats | 0.098 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS16997-9. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error