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MS16997-12
5/8 Inch Length MS16997 Undrilled Socket Head Screw
Description
Fastener Length: 41/64", Thread: 4-40, Head Width: 3/32", Thread Length: 41/64", MS16997 series screw
Specifications
| Alternate Part Number | NAS1352-04-10P |
|---|---|
| Country of Origin | USA |
| Drilling | Undrilled Head |
| Drive Style | Hexagon |
| Fastener Length | Between 0.609 inches and 0.641 inches |
| Finish | Cadmium ll |
| Hardness Rating | 36.0 rockwell c and 45.0 rockwell c |
| 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 | 5/8 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Minimum Yield Strength | 130000 pounds per square inch |
| Size | 4-40 |
| Sold In | Per Package |
| 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 | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.609 inches and 0.641 inches |
| 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 | .005 lb |
| Width Across Flats | Between 0.093 inches and 0.095 inches |
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for MS16997-12 — functionally equivalent.
- NAS1352-04-10P Listed alternate 40.00-40 · 5/8 in · Flat chamfer · Steel
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Catalog data updated 2026-07-05. Report a data error