bolts › close tolerance bolts
NAS1221R08E4
Bolt
Description
Fastener Length: 19/32", Thread: 8-32, Thread Length: 5/16"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 0.574 inches minimum and 0.604 inches maximum |
| Head Diameter | 0.294 inches minimum |
| Head Style | Flat countersunk |
| Internal Drive Style | Torque set |
| Length | 19/32 |
| Material | Iron |
| Screw Material | Iron alloy 660 |
| Screw 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 |
| Screw Surface Treatment | Passivate |
| Screw Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Specification Data | 80205-nas1221 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.338 |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJC |
| Thread Size | 8 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1221R08E4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error