screws › close tolerance screws
NAS1578A3T2
Close Tolerance Screw
Description
Flat Pan Head Bolt
Specifications
| Country of Origin | USA |
|---|---|
| Fastener Length | 0.472 inches minimum and 0.502 inches maximum |
| Grip Diameter | 0.1885 inches minimum and 0.1895 inches maximum |
| Grip Length | 0.115 inches minimum and 0.135 inches maximum |
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Diameter | 0.360 inches minimum and 0.374 inches maximum |
| Head Height | 0.115 inches minimum and 0.125 inches maximum |
| Head Style | Pan no. 2 |
| Internal Drive Style | Offset cruciform (torque set) |
| Length | 1/2 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 01-057-9332 |
| NSN | 5305-01-057-9332 |
| Specification Data | 80205-nas1578 professional/industrial association standard |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty 2 cl 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.337 inches minimum and 0.387 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJF |
| Thread Size | 10 |
| Weight | 0.01 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 NAS1578A3T2. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error