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NAS1297-4D15
Shoulder Bolt
Description
Fastener Length: 1-27/64", Thread: 1/4-28, Thread Length: 7/16"
Specifications
| Fastener Length | Between 1.391 inches and 1.431 inches |
|---|---|
| Hardness Rating | 26.0 rockwell c and 32.0 rockwell c |
| Head Height | Between 0.172 inches and 0.204 inches |
| Head Style | Hexagon Head |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Shank Unthreaded Hole Diameter | 0.076 inches first hole and 0.086 inches first hole |
| Shoulder Diameter | 0.309 inches first shoulder and 0.312 inches first shoulder |
| Shoulder Length | 0.948 inches first shoulder and 0.968 inches first shoulder |
| Shoulder Shape | Round first shoulder |
| Specification Data | 80205-nas1297 professional/industrial association standard |
| Surface Treatment | Chromate and cadmium |
| Surface Treatment Specification | Class 2 federal specification all treatment responses type 2 qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.352 inches and 0.448 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 1/4 |
| Width Between Flats | Between 0.490 inches and 0.502 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1297-4D13
- NAS1297-4D15
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1297-4D15. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error