bolts › close tolerance bolts
NAS1580A5R14
Bolt
Description
Fastener Length: 1-25/64", Thread: 1/4-24, Thread Length: 33/64"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 1.361 inches minimum and 1.391 inches maximum |
| Grip Diameter | 0.3110 inches minimum and 0.3120 inches maximum |
| Grip Length | 0.865 inches minimum and 0.885 inches maximum |
| Head Diameter | 0.633 |
| Head Style | Flat countersunk |
| Internal Drive Style | Offset cruciform (torque set) |
| Length | 1 25/64 |
| Material | Steel |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.476 inches minimum and 0.526 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
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.
- NAS1580A5R14D NAS 1/4-24 · 0.073 in · Flat countersunk · Steel
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Catalog data updated 2026-07-05. Report a data error