Product Description: thread length: 0.291 to 0.341, Hardness Rating: 36 rockwell c to 40 rockwell c
Product Description: thread length: 0.291 to 0.341, Hardness Rating: 36 rockwell c to 40 rockwell c
| Material Document and Classification | Mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response |
| Surface Finish | 32 microinches threads |
| Material | Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 |
| Surface Finish | 32 microinches grip |
| Distance From Head Largest Bearing Surface To Shank Hole Center | First hole" 1.195 inches to 1.205 inches |
| Countersink Angle | 99 degrees to 101 degrees |
| Hardness Rating | 36 rockwell c to 40 rockwell c |
| Thread Quantity Per Inch | 28 |
| Minimum Tensile Strength | 160000 pounds per square inch |
| Grip Length | 0.99 inches to 1.01 inches |
| Internal Drive Style | Offset cruciform (torque set) |
| Nominal Thread Diameter | 0.25 inches |
| Head Diameter | 0.449 inches to 0.507 inches |
| Grip Diameter | 0.2485 inches to 0.2495 inches |
| Shank Unthreaded Hole Diameter | First hole: 0.066 inches to 0.086 inches |
| Head Style | Flat countersunk |
| Fastener Length | 1.301 inches to 1.331 inches |
| Thread Length | 0.291 inches to 0.341 inches |
| Thread Class | 3a |
| Thread Direction | Right-hand |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Document and Classification | Qq-p-416,ty 2,cl 3 fed spec single treatment response |
| Thread Series Designator | Unjf |
| Specification/standard Data | 80205-nas 1154 professional/industrial association standard |
| Part Number | Manufacturer | |
|---|---|---|
| NAS1154-16D | National Aerospace Standards | Quote |