bolts › shear bolts
NAS1581C3T6
Flush Reduced Head Bolt
Description
Flush Reduced Head Bolt
Specifications
| Countersink Angle | Between 99.0 degrees and 101.0 degrees |
|---|---|
| Country of Origin | USA |
| End Application | F-16 acft |
| Fastener Length | Between 0.534 inches and 0.564 inches |
| Grip Diameter | Between 0.188 inches and 0.189 inches |
| Grip Length | Between 0.365 inches and 0.385 inches |
| Head Diameter | 0.257 |
| Head Style | Flat countersunk |
| Internal Drive Style | Offset cruciform (torque set) |
| Material | Iron |
| Part Name Assigned By Controlling Agency | Screw |
| Surface Treatment | Cadmium |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.363 |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 10 |
| Weight | .005 lb |
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 NAS1581C3T6. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error