Self-locking Hexagon Nut - MS21045-6
Genuine OEM Part
Description: Self-locking Hexagon Nut
Part Number: MS21045-6
Alternate Part Numbers: 99638A400, AN365-624, H55-6CW, 5740128, 456702, F1801-064, LFLH1801-064, 5310PL0765462, YE3182, 13992, 853858, 27FH-624
Product Overview
A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.
Item Specification
| Thread Class | 3B | |
| Thread Direction | Right-hand | |
| Locking Feature | Prevailing torque all metal design | |
| Lubrication | Soluble lubricant | |
| Nut Style | Hexagon | |
| Nut Height | 0.318 inches minimum and 0.469 inches maximum | |
| Width Across Flats | 0.553 inches minimum and 0.564 inches maximum | |
| Temp Rating | 450.0 deg fahrenheit nominal | |
| Thread Series | UNJF | |
| Thread Quantity per Inch | 24 | |
| Nominal Thread Size | 0.375 inches | |
| Countersink Angle | 88.0 degrees nominal nut | |
| Bearing Surface Type | Chamfered or washer faced | |
| Bearing Surface Finish | 125.0 microinches | |
| Material | Steel overall | |
| Surface Treatment | Cadmium overall | |
| Surface Treatment Document and Classification | QQ-P-416, ty 2, cl 3 fed spec single treatment response overall |