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AN503-8-12
Aeronautical Standard Machine Screw
Description
Fillister Head Screw
Specifications
| Country of Origin | USA |
|---|---|
| Drilling | Drilled Head |
| Drive Style | Slotted |
| Fastener Length | 0.750 |
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Diameter | 0.250 inches minimum and 0.270 inches maximum |
| Head Height | 0.106 inches minimum and 0.113 inches maximum |
| Head Hole Configuration Style | Round |
| Head Style | Fillister |
| Head Type | Fillister |
| Hole Diameter | 0.050 |
| Hole Quantity | 1 |
| Industry Standards/Certification | AN503 |
| Internal Drive Style | Cross recess type 1 |
| Length | 3/4 in |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| NIIN | 00-145-7012 |
| NSN | 5305-00-145-7012 |
| Screw Material | Steel comp 8630 |
| Screw Material Specification | Mil-s-6050 mil spec single material response or an-s-9 mil std single material response |
| Screw Surface Treatment | Cadmium |
| Screw Surface Treatment Specification | Qq-p-416,ty 1,cl 3 fed spec single treatment response |
| Sold In | Per Package |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.594 inches minimum and 0.719 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNC |
| Thread Size | 8-32 |
| Weight | .005 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- AN503-8-4
- AN503-8-6
- AN503-8-8
- AN503-8-10
- AN503-8-12
- AN503-8-14
- AN503-8-16
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN503-8-12. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error