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AN818-16J
Aeronautical Standard Tube Coupling Nut
Description
Coupling Nut
Specifications
| Alternate Part Number | AS5175J16 |
|---|---|
| Connection Type | Flared Tube |
| Diameter A | 1.089 in |
| Diameter C | 1.500 in |
| Dimension A Tolerance | +0.003 in |
| Dimension C Tolerance | +0.000 in |
| Dimension J | 0.766 in |
| Dimension M | 1.131 in |
| Dimension M Tolerance | +0.010 in |
| Dimension O | 1.500 in |
| Dimension O Tolerance | -0.004 in |
| Industry Standards/Certification | AN818 |
| Material | CRES |
| NIIN | 00-113-0575 |
| NSN | 4730-00-113-0575 |
| Nut Height | 1.204 |
| Nut Style | Tube coupling |
| Size No. Alum | 16D |
| Size No. SS | 16J |
| Size No. Steel | 16 |
| Specification Data | 88044-an818 government standard and 81349-mil-f-5509 government specification |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Type 1 federal specification single treatment response qq-p-35 |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 12 |
| Thread Qty Per Inch (tpi) | 12 |
| Thread Series | UNJ |
| Thread Size | 1 5/16-12, 1.312 |
| Thread T (MIL-S-8879) | 1.3125-12 |
| Tube O.D. | 1 |
| Tube Outside Diameter | 1.000 in |
| Weight | .005 lb |
| Width Across Flats | 1.50 |
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for AN818-16J — functionally equivalent.
- AN818-16 Same NSN Steel
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Catalog data updated 2026-07-05. Report a data error