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NAS428-5A26
Bolt
Description
Fastener Length: 2-3/4", Thread: 1/4-24, Thread Length: 2-23/32"
Specifications
| Fastener Length | 2.750 inches minimum and 2.752 inches maximum |
|---|---|
| Features Provided | Finished head |
| Grip Length | 0.031 inches minimum and 0.062 inches maximum |
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Height | 0.162 inches minimum and 0.182 inches maximum |
| Head Style | Crowned hexagon |
| Length | 2 3/4 |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Specification Data | 80205-nas428 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 | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 2.688 inches minimum and 2.721 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.490 inches minimum and 0.502 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS428-5A6
- NAS428-5A7
- NAS428-5A10
- NAS428-5A26
- NAS428-5A40
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS428-5A26. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error