bolts › close tolerance bolts
NAS1221R3E8
Bolt
Description
Fastener Length: 27/32", Thread: 10-32, Thread Length: 5/16"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 0.824 inches minimum and 0.854 inches maximum |
| Head Diameter | 0.344 inches minimum and 0.385 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Torque set |
| Length | 27/32 |
| Material | Iron |
| Part Name Assigned By Controlling Agency | Bolt 100 degrees flush head self-locking optional |
| Screw Material | Iron alloy 660 |
| Screw Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.338 |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJF |
| Thread Size | 10 |
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 NAS1221R3E8. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error