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AN526C632R4
Aeronautical Standard Machine Screw
Description
Truss Head Screw
Specifications
| Alternate Part Number | AN526C6R4 |
|---|---|
| Country of Origin | USA |
| Fastener Length | 0.250 |
| Head Diameter | Between 0.303 inches and 0.321 inches |
| Head Height | 0.086 |
| Head Style | Button |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/4 |
| Material | CRES |
| NIIN | 00-559-0078 |
| NSN | 5305-00-559-0078 |
| Nondefinitive Specification/Std Data | 3 type and 7c style |
| Screw Material | Stainless steel |
| Screw Surface Treatment | Passivate |
| Sold In | Per Package |
| Thread Class | 2a |
| Thread Diameter | 0.138 |
| Thread Direction | Right-hand |
| Thread Length | 0.250 |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 6 |
| Weight | 0.002 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
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.
- AN526-632-4 AN #6-32 · 1/4 in · Button · Steel
- AN526-632R4 AN #6-32 · 1/4 in · Button · Steel
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Catalog data updated 2026-07-05. Report a data error