National Stock number : 5306-01-239-2010
Machine Bolt
| Available Quantity | 2,280 |
| Available Conditions | NS NE |
| Classification | Bolts - FSC 5306 |
| Schedule B | 7318152000 |
| Stock Check Date | 03/03/2026 |
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
Machine Bolt
Thread Class
3a
Thread Direction
RIGHT-Hand
Thread Length
0.669in. and 0.820in. ⁓53/64"
Fastener Length
2.115in. and 2.135in. ⁓2-9/64"
Head Style
double hexagon extended washer
Head Height
0.290in. and 0.310in. ⁓5/16"
Width Between Flats
0.312in.
Extended Washer Diameter
0.428in. and 0.448in.
Extended Washer Thickness
0.060in.
Nominal Thread Diameter
0.250in. ⁓1/4"
Grip Length
1.315in. and 1.375in.
Features Provided
finished head
Thread Quantity Per Inch
28
Minimum Tensile Strength
130000 pounds per square inch
Hardness Rating
24.0 rockwell c and 35.0 rockwell c
Minimum Yield Strength
85000 pounds per square inch
Surface Finish
32.0 microinches threads
Material
iron alloy 660
Material Document And Classification
AMS5731 assn std single material response
Thread Series Designator
unjf
