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NAS1102E04-8
Machine Screw
Description
Length: 1/2", Thread: 4-40, Thread Length: 29/64", flat countersunk head, NAS1102 series screw
Specifications
| Countersink Angle | Between 99.0 degrees and 101.0 degrees |
|---|---|
| Country of Origin | USA |
| Fastener Length | Between 0.469 inches and 0.500 inches |
| Head Diameter | Between 0.177 inches and 0.225 inches |
| Head Style | Flat countersunk |
| Internal Drive Style | Torque set |
| Length | 1/2 |
| Material | Iron |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Screw Material | Iron alloy 660 |
| Screw Surface Treatment | Passivate |
| Screw Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Sold In | Per Package |
| Specification Data | 80205-nas1102 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.374 inches and 0.455 inches |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNJC |
| Thread Size | 4 |
| Weight | .005 lb |
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.
- MS18211-33C MS #4-40 · 1/2 in · Flat countersunk
- NAS1102E04-8P NAS #4-40 · 1/2 in · Flat countersunk · Iron
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Catalog data updated 2026-07-05. Report a data error