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AN818-5D
AN Fitting AN818-5D Nut
Description
Coupling Nut
Specifications
| Connection Type | Flared Tube |
|---|---|
| Diameter A | 0.374 in |
| Diameter C | 0.625 in |
| Dimension A Tolerance | +0.003 in |
| Dimension C Tolerance | +0.000 in |
| Dimension J | 0.484 in |
| Dimension M | 0.683 in |
| Dimension M Tolerance | +0.005 in |
| Dimension O | 0.625 in |
| Dimension O Tolerance | -0.004 in |
| Industry Standards/Certification | AN818 |
| Material | Aluminum |
| Nut Height | 0.672 |
| Nut Style | Tube coupling |
| Size No. Alum | 5D |
| Size No. SS | 5J |
| Size No. Steel | 5 |
| Special Features | Grumman a-10 aircraft |
| Surface Treatment | Anodize |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | UNF |
| Thread Size | 0.500, 1/2-20 |
| Thread T (MIL-S-8879) | 0.5000-20 |
| Tube O.D. | 5/16 |
| Tube Outside Diameter | 0.312 in |
| Weight | 0.01 lb |
| 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
No interchangeable or dimensionally similar parts are on record for AN818-5D. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error