bolts › close tolerance bolts
NAS1581K3R5
Close Tolerance Bolt
Description
Fastener Length: 11/16", Thread: 10-32, Thread Length: 3/8
Specifications
| Countersink Angle | Between 99.0 degrees and 101.0 degrees |
|---|---|
| Fastener Length | Between 0.660 inches and 0.690 inches |
| Grip Diameter | Between 0.1890 inches and 0.1895 inches |
| Grip Length | Between 0.302 inches and 0.322 inches |
| Head Diameter | Between 0.2578 inches and 0.3047 inches |
| Head Style | Flat countersunk |
| Internal Drive Style | Offset cruciform (torque set) |
| Material | Titanium |
| Material Specification | Ams 4967 6al-4v assn standard single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-1581 professional/industrial association standard |
| Surface Finish | 32.0 microinches grip, 32.0 microinches threads |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.338 inches and 0.388 inches |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 10 |
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.
- NAS1581A3R5 NAS #10-32 · 11/16 in · Flat countersunk · Steel
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Catalog data updated 2026-07-05. Report a data error