National Stock number : 5306-00-531-1849
Machine Bolt
| Available Quantity | 1,238 |
| Available Conditions | NE NS |
| Classification | Bolts - FSC 5306 |
| Schedule B | 7318152000 |
| Stock Check Date | 12/01/2025 |
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
Machine Bolt
Thread Class
3a
Thread Direction
RIGHT-Hand
Thread Length
0.721in. and 0.751in. ⁓49/64"
Fastener Length
0.781in. ⁓25/32"
Head Style
dished hexagon
Head Height
0.281in. ⁓9/32"
Width Between Flats
0.500in.
Hole Diameter
0.070in. ⁓5/64"
Nominal Thread Diameter
0.312in. ⁓5/16"
Grip Length
0.030in. and 0.060in.
Hole Quantity
6
Hole Type
drilled
Features Provided
finished head
Thread Quantity Per Inch
24
Minimum Tensile Strength
160000 pounds per square inch
Hardness Rating
36.0 rockwell c and 40.0 rockwell c
Hole Configuration Style
hexagon longitudinal hole
Material
steel comp 4037 or steel comp 4130 or steel comp 8630 or steel comp 8735 or steel comp 8740 or steel comp 4140
Material Document And Classification
MIL-B-6812 mil spec all material responses
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
unf
