nuts › plain hexagon nuts
AN924-16D
Aeronautical Standard Plain Hexagon Nut
Description
Nut
Specifications
| Alternate Part Number | AS5178D16 |
|---|---|
| Bearing Surface Type | Chamfered |
| Countersink Angle | 90.0 degrees nut |
| Diameter G | 1.524 in |
| Dimension A | 1.625 in |
| Dimension A Tolerance | ±0.016 in |
| Dimension B | 13/32 in |
| Dimension E | 1.827 in |
| Fitting | Universal |
| Head Type | Bulkhead |
| Industry Standards/Certification | AN924 |
| Material | Aluminum |
| Material Specification | Qq-a-225/6 federal specification single material response |
| NIIN | 00-949-6143 |
| NSN | 5310-00-949-6143 |
| Nut Height | Between 0.390 inches and 0.422 inches |
| Nut Style | Hexagon |
| Surface Treatment | Anodize |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 12 |
| Thread Qty Per Inch (tpi) | 12 |
| Thread Series | UN |
| Thread Size | 1.3125 |
| Thread T (Reference) | 1 5/16-12 |
| Tube Outside Diameter | 1 in |
| Weight | 0.04 lb |
| Width Across Flats | Between 1.609 inches and 1.641 inches |
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for AN924-16D — functionally equivalent.
- AS5178D16 Listed alternate 1-5/16-12 · Aluminum
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
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Catalog data updated 2026-07-05. Report a data error