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NAS1297-5D14
Bolt
Description
Fastener Length: 1-3/8", Thread: 1/4-24, Thread Length: "
Specifications
| Distance From Head Largest Bearing Surface To Shank Hole Center | 1.202 |
|---|---|
| Fastener Length | 1.383 |
| Head Height | 0.203 inches minimum and 0.235 inches maximum |
| Head Style | Hexagon Head |
| Length | 1 3/8 |
| Material | Steel |
| Material Specification | Mil-s-6050 mil spec 1st material response or mil-s-6098 mil spec 2nd material response or mils-6758 mil spec 3rd material response or ams6300 assn std 4th material response or mil-s-5626 mil spec 5th material response |
| Shank Unthreaded Hole Diameter | 0.076 |
| Shoulder Diameter | 0.371 inches minimum first shoulder and 0.374 inches maximum first shoulder |
| Shoulder Length | 0.885 inches nominal first shoulder |
| Shoulder Shape | Round first shoulder |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416, tyii, cl 1 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.498 |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.553 inches minimum and 0.565 inches maximum |
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.
- NAS1297-5-12 NAS 1/4-24 · 0.073 in · Hexagon Head · Steel
- NAS1297-5-15 NAS 1/4-24 · 0.073 in · Hexagon Head · Steel
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Catalog data updated 2026-07-05. Report a data error