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AN818-10J
Aeronautical Standard Tube Coupling Nut
Description
Coupling Nut
Specifications
| Connection Type | Flared Tube |
|---|---|
| Diameter A | 0.698 in |
| Diameter C | 1.000 in |
| Dimension A Tolerance | +0.003 in |
| Dimension C Tolerance | +0.000 in |
| Dimension J | 0.688 in |
| Dimension M | 0.974 in |
| Dimension M Tolerance | +0.010 in |
| Dimension O | 1.000 in |
| Dimension O Tolerance | -0.004 in |
| Industry Standards/Certification | AN818 |
| Material | CRES |
| NIIN | 00-580-6655 |
| NSN | 4730-00-580-6655 |
| Nut Height | Between 0.969 inches and 0.979 inches |
| Nut Style | Tube coupling |
| Size No. Alum | 10D |
| Size No. SS | 10J |
| Size No. Steel | 10 |
| Specification Data | 88044-an818 government standard |
| Surface Treatment | Passivate |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty Per Inch (tpi) | 14 |
| Thread Series | Unf (fine thread) |
| Thread Size | 0.875, 7/8-14 |
| Thread T (MIL-S-8879) | 0.8750-14 |
| Tube O.D. | 5/8 |
| Tube Outside Diameter | 0.625 in |
| Weight | 0.09 lb |
| Width Across Flats | Between 0.996 inches and 1.003 inches |
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.
- AN818-10 AN 7/8-14 · Steel
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Catalog data updated 2026-07-05. Report a data error