screws › socket head cap screws
NAS1351-6-16P
MS16998-74 Socket Head Cap Screw
Description
Fastener Length: 63/64", Thread: 3/8-24, Head Width: 5/16", Thread Length: 63/64", NAS1351 series screw
Specifications
| Country of Origin | USA |
|---|---|
| Drive Style | Hexagon |
| Fastener Length | Between 0.984 inches and 1.016 inches |
| Hardness Rating | 38.0 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 |
| Internal Drive Style | Hexagon |
| Length | 1.00 |
| Material | Steel |
| Min. Tensile Strength (psi) | 170000 pounds per square inch |
| Minimum Yield Strength | 150000 pounds per square inch |
| Sold In | EA |
| Specification Data | 80205-nas1351 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 type 2 cl 3 federal specification all treatment responses |
| Thread Class | 3a |
| Thread Diameter | 0.375 |
| Thread Direction | Right-hand |
| Thread Fraction | 3/8-24 |
| Thread Length | Between 0.901 inches and 1.016 inches |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNRF |
| Thread Series Designator | UNRF |
| Thread Size | 3/8 |
| Weight | .15 lb |
| Width Across Flats | Between 0.312 inches and 0.316 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
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.
- MS16998-74 MS 3/8-24 · 0.073 in · Flat chamfer · Steel
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Catalog data updated 2026-07-05. Report a data error