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NAS1305-12
Shear Bolt
Description
Fastener Length: 1-15/64", Thread: 1/4-24, Thread Length: 31/64", hex head
Specifications
| Fastener Length | 1.204 inches minimum and 1.234 inches maximum |
|---|---|
| Grip Diameter | 0.3110 inches minimum and 0.3120 inches maximum |
| Grip Length | 0.740 inches minimum and 0.760 inches maximum |
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Height | 0.156 inches minimum and 0.171 inches maximum |
| Head Style | Dished hexagon |
| Length | 1 15/64 |
| Material | Steel |
| Material Specification | Mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or ams 6322 assn std 2nd material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas6605 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 type 2 class 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.444 inches minimum and 0.494 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.492 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.
- NAS1305-12
- NAS1305-14H
- NAS1305-15H
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for NAS1305-12 — functionally equivalent.
- NAS6605-12 Listed alternate 24.00-24 · 1.22 in · Dished hexagon · Steel
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- NAS6605D12 NAS 1/4-24 · 0.073 in · Dished hexagon · Steel
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Catalog data updated 2026-07-05. Report a data error