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NAS6204L1
Shear Bolt
Description
Fastener Length: 7/16", Thread: 1/4-28, Thread Length: 25/64"
Specifications
| Fastener Length | 0.417 inches minimum and 0.447 inches maximum |
|---|---|
| Grip Diameter | 0.2485 inches minimum and 0.2495 inches maximum |
| Grip Length | 0.052 inches minimum and 0.072 inches maximum |
| Hardness Rating | 36.0 rockwell c minimum fastener and 40.0 rockwell c maximum fastener |
| Head Height | 0.125 inches minimum and 0.140 inches maximum |
| Head Style | Dished hexagon |
| Length | 7/16 |
| Locking Feature | Patch threads or strip threads or pellet threads |
| Material | Plastic |
| Material Specification | Mil-s-5000 mil spec 1st material response fastener or mil-s-6049 mil spec 2nd material response fastener or ams 6322 assn std 2nd material response fastener |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas6204 professional/industrial association standard |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty2 cl2 fed spec single treatment response fastener |
| Thread Class | 3a |
| Thread Diameter | 0.2500 |
| Thread Direction | Right-hand |
| Thread Length | 0.345 inches minimum and 0.395 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.429 inches minimum and 0.439 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.
- NAS6304U1 NAS 1/4-28 · 7/16 in · Dished hexagon · Iron
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Catalog data updated 2026-07-05. Report a data error