screws › socket head cap screws
NAS1351-6-32P
MS16998-78 Socket Head Cap Screw
Description
Fastener Length: 1-63/64", Thread: 3/8-24, Head Width: 5/16", Thread Length: 1-1/4", NAS1351 series screw
Specifications
| Drive Style | Hexagon |
|---|---|
| Fastener Length | Between 1.960 inches and 2.000 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 | 2.00 |
| Material | Steel |
| Min. Tensile Strength (psi) | 170000 pounds per square inch |
| Minimum Yield Strength | 150000 pounds per square inch |
| Specification Data | 80205-nas1351 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Cl 2 federal specification single treatment response type 2 qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.375 |
| Thread Direction | Right-hand |
| Thread Fraction | 3/8-24 |
| Thread Length | 1.250 |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNRF |
| Thread Series Designator | UNRF |
| Thread Size | 3/8 |
| 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.
- MS16998-79 MS 3/8-24 · 0.086 in · Flat chamfer · Steel
- NAS1351-6-40 NAS 3/8-24 · 0.086 in · Flat chamfer · Steel
- NAS1351-6-48P NAS 3/8-24 · 0.086 in · Flat chamfer · Steel
- NAS1351-6LE36P NAS 3/8-24 · 0.086 in · Flat chamfer · Plastic
- NAS1351N6-44 NAS 3/8-24 · 0.086 in · Flat chamfer · Iron
- NAS1351N6-48 NAS 3/8-24 · 0.086 in · Flat chamfer · Iron
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Catalog data updated 2026-07-05. Report a data error