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AN503-8-6
Aeronautical Standard Machine Screw
Description
Fillister Head Screw
Specifications
| Country of Origin | USA |
|---|---|
| Drilling | Drilled Head |
| Drive Style | Slotted |
| Fastener Length | 0.375 |
| Hardness Rating | Between 26.0 rockwell c and 32.0 rockwell c |
| Head Diameter | Between 0.250 inches and 0.270 inches |
| Head Height | Between 0.106 inches and 0.113 inches |
| Head Hole Configuration Style | Round |
| Head Style | Fillister |
| Head Type | Fillister |
| Hole Diameter | 0.046 |
| Hole Quantity | 1 |
| Industry Standards/Certification | AN503 |
| Internal Drive Style | Cross recess type 1 |
| Length | 3/8 in |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| NIIN | 00-145-6971 |
| NSN | 5305-00-145-6971 |
| Pre-Packaged Bag Quantity | 100 |
| Screw Material | Steel comp 8630 |
| Screw Material Specification | Mil-s-6050 military specification single material response or an-s-9 military standard single material response |
| Screw Surface Treatment | Cadmium |
| Screw Surface Treatment Specification | Cl 3 federal specification single treatment response type 1 qq-p-416 |
| Sold In | EA |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.219 inches and 0.344 inches |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 8-32 |
| Weight | 0.003 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
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- A1635-36 Other #8-32 · 3/8 in · Fillister · Steel
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Catalog data updated 2026-07-05. Report a data error