bolts › shear bolts
NAS1581C3T2P
Flush Reduced Head Bolt
Description
Flush Reduced Head Bolt
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Country of Origin | USA |
| Fastener Length | 0.488 |
| Grip Diameter | 0.1885 inches minimum and 0.1895 inches maximum |
| Grip Length | 0.125 |
| Head Diameter | 0.305 |
| Head Style | Flat countersunk |
| Internal Drive Style | Offset cruciform (torque set) |
| Length | 31/64 |
| Material | Iron |
| Material Specification | Ams 5731 assn std single material response or asm 5732 assn std single material response or ams5737 assn std single material response or ams 5853 assn std single material response |
| NIIN | 01-500-6186 |
| NSN | 5305-01-500-6186 |
| 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 Designator | UNJF |
| Thread Size | 10 |
| Weight | 0.003 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 NAS1581C3T2P. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error