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NAS1297-3-26
Bolt
Description
Fastener Length: 1-1/1", Thread: 10-32, Thread Length: 9/32"
Specifications
| Fastener Length | 1.987 inches minimum and 2.027 inches maximum |
|---|---|
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Height | 0.140 inches minimum and 0.172 inches maximum |
| Head Style | Hexagon Head |
| Length | 1 63/64 |
| Material | Steel |
| Shoulder Diameter | 0.246 inches minimum first shoulder and 0.249 inches maximum first shoulder |
| Shoulder Length | 1.635 inches minimum first shoulder and 1.655 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,ty 2,cl 3 fed spec all treatment responses |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.270 inches minimum and 0.361 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJF |
| Thread Size | 10 |
| Width Between Flats | 0.428 inches minimum and 0.440 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
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.
- NAS1297-3-11 NAS #10-32 · 0.073 in · Hexagon Head · Steel
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Catalog data updated 2026-07-05. Report a data error