nuts › plain hexagon nuts
AS5178-12
Plain Hexagon Nut
Description
tube outer diameter: 3/4", thread: 1-1/16-12, tube, bulkhead and universal fitting, steel
Specifications
| Bearing Surface Type | Chamfered |
|---|---|
| Material | Steel |
| Material Specification | Qq-s-637 federal specification single material response |
| Nut Height | 0.406 |
| Nut Style | Hexagon |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Cl 3 federal specification single treatment response type 2 qq-p-416 |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 12 |
| Thread Qty Per Inch (tpi) | 12 |
| Thread Series | UN |
| Thread Size | 1.062 |
| Width Across Flats | Between 1.377 inches and 1.379 inches |
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 AS5178-12 — functionally equivalent.
- AN924-12 Listed alternate 1-1/16-12 · Steel
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