nuts › self-locking hexagon nuts
MS20365-720A
Locknut
Description
MS 20365-720A Self-Locking Hexagon Nut Regular Pattern
Specifications
| Bearing Surface Type | Flat |
|---|---|
| Features | Nylon Insert |
| Finish | Cadmium ll |
| Hexagon Size - Across Flats | 5/8 |
| Hexagon Size - Thick | .469 (Max.) |
| Industry Standards/Certification | MS20365 |
| Locking Device | Non Metallic Insert |
| Locking Feature | Prevailing torque with nonmetallic insert |
| Material | Steel |
| Maximum Dimension A | 0.469 in |
| Maximum Dimension B | 0.690 in |
| Minimum Dimension A | 0.435 in |
| Minimum Dimension B | 0.679 in |
| Minimum Dimension C | 0.766 in |
| Nut Height | 0.453 |
| Nut Style | Hexagon |
| Service Temperature | 250 ºF |
| Size | 7/16-20 |
| Surface Treatment | Cadmium or zinc |
| Temperature Rating | 250.0 deg fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread MIL-S-8879 | 0.4375-20 |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | UNF |
| Thread Size | 0.438, 7/16-20 |
| Type | Self-Locking Nut |
| Weight | 0.02 lb |
| Width Across Flats | 0.625 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS20365-720A. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error