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NAS1101-04-10
Machine Screw
Description
Fastener Length: 5/8", Thread: 4-40, Thread Length: 5/8"
Specifications
| Fastener Length | Between 0.594 inches and 0.625 inches |
|---|---|
| Hardness Rating | Between 36.0 rockwell c and 40.0 rockwell c |
| Head Diameter | Between 0.178 inches and 0.183 inches |
| Head Height | Between 0.059 inches and 0.069 inches |
| Head Style | Flat chamfer |
| Internal Drive Style | Torque set |
| Length | 5/8 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Screw Material | Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 |
| Screw Material Specification | Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Cl 3 federal specification all treatment responses type 2 qq-p-416 |
| Specification Data | 80205-nas1101 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.544 inches and 0.625 inches |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNJC |
| Thread Size | 4 |
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.
- NAS1101E04-10 NAS #4-40 · 5/8 in · Flat chamfer · Iron
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Catalog data updated 2026-07-05. Report a data error