bolts › close tolerance bolts
NAS1189E08T8K
Bolt
Description
Fastener Length: 1/2", Thread: 8-32, Thread Length: 27/64"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 0.469 inches minimum and 0.500 inches maximum |
| Head Diameter | 0.270 inches minimum and 0.332 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Offset cruciform (torque set) |
| Length | 1/2 |
| Locking Feature | Pellet threads or strip threads |
| Material | Iron |
| Material Specification | Ams 5737 assn std single material response fastener |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas1189 professional/industrial association standard |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches threads |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response fastener |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.339 inches minimum and 0.432 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJC |
| Thread Size | 8 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1189E08T7J
- NAS1189E08T8K
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.
- NAS1189E08P8 NAS #8-32 · 1/2 in · Flat countersunk · Iron
- NAS1189E08P8L NAS #8-32 · 1/2 in · Flat countersunk · Iron
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Catalog data updated 2026-07-05. Report a data error