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NAS6204-31D
Close Tolerance Bolt-Drilled Shank
Description
Close Tolerance Bolt-Drilled Shank
Specifications
| Alternate Part Number | 402-938 |
|---|---|
| Country of Origin | USA |
| Distance From Head Largest Bearing Surface To Shank Hole Center | 2.138 inches nominal first hole |
| Drilling | Drilled Shank |
| Fastener Length | 2.308 |
| Grip | 1.938 in |
| Grip Diameter | 0.2490 |
| Grip Length | 1.938 |
| Grip Tolerance | ±0.010 in |
| Head Height | 0.132 |
| Head Style | Dished hexagon |
| Head Type | Hexagon |
| Industry Standards/Certification | NAS6204 |
| Length | 2 1/4, 2.308 in |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 01-142-2127 |
| NSN | 5306-01-142-2127 |
| Shank Unthreaded Hole Diameter | 0.081 inches nominal first hole |
| Specification Data | 80205-nas6204 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.370 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 0.2500-28, 1/4 |
| Weight | 0.0035 lb |
| Width Between Flats | 0.434 |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error