bolts › close tolerance bolts
NAS1580C5T9Y
Bolt
Description
Fastener Length: 1-5/64", Thread: 5/16-24, Thread Length: 1/2"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 1.048 inches minimum and 1.078 inches maximum |
| Grip Diameter | 0.3427 inches minimum and 0.3432 inches maximum |
| Grip Length | 0.552 inches minimum and 0.572 inches maximum |
| Head Diameter | 0.6335 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Offset cruciform (torque set) |
| Length | 1 5/64 |
| Material | Iron |
| Material Specification | Ams 5731 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.3125 |
| Thread Direction | Right-hand |
| Thread Length | 0.501 |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 5/16 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1580C5T5
- NAS1580C5T8
- NAS1580C5T9Y
- NAS1580C5T27D
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1580C5T9Y. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error