nuts › plain hexagon nuts
AS5178D03
Nut
Description
Thread Size: 3/8", Nut Height: 1/4", Head Width: 5/8"
Specifications
| Bearing Surface Type | Chamfered |
|---|---|
| Countersink Angle | 90.0 degrees nominal nut |
| Material | Aluminum |
| Nut Height | 0.203 inches minimum and 0.235 inches maximum |
| Nut Style | Hexagon |
| Surface Treatment | Anodize |
| Surface Treatment Specification | Mil-a-8625,ty 2 mil spec single treatment response |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNF |
| Thread Size | 0.375 |
| Width Across Flats | 0.621 inches minimum and 0.628 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for AS5178D03 — functionally equivalent.
- AN924-3D Listed alternate 3/8-24 · Aluminum
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error