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NAS6204-54
3.745 Inch Length NAS6204 0.2500-28 Thread Hexagon Head Close Tolerance Bolt
Description
Fastener Length: 3", Thread: 1/4-28
Specifications
| Alternate Part Number | NAS1104-54 |
|---|---|
| Country of Origin | USA |
| Drilling | Undrilled Head |
| Fastener Length | 3.745 |
| Grip | 3.375 in |
| Grip Diameter | Between 0.248 inches and 0.249 inches |
| Grip Length | 3.375 |
| Grip Tolerance | ±0.010 in |
| Head Height | Between 0.125 inches and 0.140 inches |
| Head Style | Dished hexagon |
| Head Type | Hexagon |
| Industry Standards/Certification | NAS6204 |
| Length | 3.745 in |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Cl2 federal specification single treatment response tyii qq-p-416 |
| 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 (fine thread with external controlled root radius) |
| Thread Size | 0.2500-28, 1/4 |
| Weight | .005 lb |
| Width Between Flats | Between 0.429 inches and 0.439 inches |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error