bolts › close tolerance bolts
NAS1580C5T8
Bolt
Description
Fastener Length: 0-63/64", Thread: 5/16-24, Thread Length: 1/2
Specifications
| Countersink Angle | Between 99.0 degrees and 101.0 degrees |
|---|---|
| Fastener Length | Between 0.986 inches and 1.016 inches |
| Grip Diameter | Between 0.3110 inches and 0.3120 inches |
| Grip Length | Between 0.490 inches and 0.510 inches |
| Head Diameter | 0.578 |
| Head Style | Flat countersunk |
| Internal Drive Style | Torque-set ribbed |
| Material | Iron |
| Material Specification | Ams5731 assn standard single material response or ams5732 assn standard single material response or ams5737 assn standard single material response or ams5853 assn standard single material response |
| Min. Tensile Strength (psi) | 9260 pounds per square inch |
| Point Style | Flat |
| Specification Data | 8205-nas1580 professional/industrial association standard |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification 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 | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| 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 NAS1580C5T8. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error