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NAS6303U5
Close Tolerance Bolt-Unplated
Description
Hex Head, Short Thread NAS6303 Material - Cres (A286) Per AMS5731, AMS5732, AMS5737 or AMS5853 Finish - Cadmium Per AMS-QQ-P-416 Type II, Class 2 or Passivate Per Ams2700 (U Code) Heat Treat - 160-190 KSI Per AMS2759
Specifications
| Country of Origin | USA |
|---|---|
| Fastener Length | Between 0.62 inches and 0.65 inches |
| Grip | 0.3125 |
| Grip Diameter | Between 0.189 inches and 0.1895 inches |
| Grip Length | Between 0.302 inches and 0.322 inches |
| Head Height | Between 0.11 inches and 0.125 inches |
| Head Style | Dished hexagon |
| Length | 0.6355 |
| Material | Iron |
| Material Specification | Ams 5731 assn standard single material response or ams 5737 assn standard single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Surface Finish | 32 microinches grip, 32 microinches threads, 32.0 microinches bearing surface of head |
| Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.19 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.298 inches and 0.348 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 |
| Weight | 0.0005 lb |
| Width Between Flats | Between 0.367 inches and 0.376 inches |
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.
- NAS6303-5 NAS #10-32 · 5/8 in · Dished hexagon · Iron
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Catalog data updated 2026-07-05. Report a data error