National Stock number : 5306-00-097-4273
Close Tolerance Bolt
| Available Quantity | 199 |
| Available Conditions | NS NE AR |
| Classification | Bolts - FSC 5306 |
| Schedule B | 7318152000 |
| Stock Check Date | 04/16/2025 |
Part-Number.info Quality System
- ISO 9001:2015 + AS9120B Certifed
- Audited supply chain
- Counterfeit Parts Prevention
- 100% Product Inspections
- 7 Year Record Retention
- HAZMAT Certified
- ITAR and DDTC Registered
Product Properties
Description
Close Tolerance Bolt
Thread Class
3a
Thread Direction
RIGHT-Hand
Thread Length
0.313in. and 0.380in. ⁓25/64"
Fastener Length
2.355in. and 2.375in. ⁓2-3/8"
Head Style
crowned hexagon
Head Height
0.157in. and 0.172in. ⁓11/64"
Width Between Flats
0.492in. and 0.502in.
Locking Feature
detent ball grip
Grip Diameter
0.3108in. and 0.3117in.
Shank Unthreaded Hole Diameter
0.076in. first hole and 0.086in. first hole
Nominal Thread Diameter
0.312in. ⁓5/16"
Grip Length
1.875in. and 1.891in.
Thread Quantity Per Inch
24
Minimum Tensile Strength
95000 pounds per square inch
Hardness Rating
36.0 rockwell c and 41.0 rockwell c
Distance From Head Largest Bearing Surface To Shank Hole Center
2.240in. first hole and 2.270in. first hole
Surface Finish
63.0 microinches grip
Material
steel comp E4340 or steel comp 4140 or steel comp 8740 or steel comp 4130 or steel comp 6150
Material Document And Classification
MIL-B-83050 mil spec single material response
Surface Treatment
cadmium and chromate
Surface Treatment Document And Classification
QQ-P-416 ty 2 cl 2 fed spec single treatment response
Thread Series Designator
unjf
