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NAS1297-4H9
Bolt
Description
Fastener Length: 1-3/64", Hole Diameter: 5/64", Thread: 1/4-28, Thread Length: 7/16"
Specifications
| Fastener Length | 1.015 inches minimum and 1.055 inches maximum |
|---|---|
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Height | 0.172 inches minimum and 0.204 inches maximum |
| Head Style | Hexagon Head |
| Hole Configuration Style | Hexagon flats |
| Hole Diameter | 0.070 inches minimum and 0.080 inches maximum |
| Hole Quantity | 1 |
| Hole Type | Drilled |
| Length | 1 3/64 |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Shoulder Diameter | 0.309 inches minimum first shoulder and 0.312 inches maximum first shoulder |
| Shoulder Length | 0.572 inches minimum first shoulder and 0.592 inches maximum first shoulder |
| Shoulder Shape | Round first shoulder |
| Specification Data | 80205-nas1297 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,type 2 class 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.352 inches minimum and 0.448 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.490 inches minimum and 0.502 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1297-4H9. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error