National Stock number : 5306-00-323-5221
Machine Bolt
| Available Quantity | 154 |
| Available Conditions | OH NE NS AR SV |
| Classification | Bolts - FSC 5306 |
| Schedule B | 7318152000 |
| Stock Check Date | 01/29/2026 |
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
0.625in. ⁓5/8"
Fastener Length
6.313in. ⁓6-21/64"
Head Style
hexagon
Head Height
0.271in. and 0.291in. ⁓19/64"
Width Between Flats
0.493in. and 0.502in.
Hole Diameter
0.062in. ⁓1/16"
Nominal Thread Diameter
0.312in. ⁓5/16"
Grip Length
5.687in.
Hole Quantity
6
Hole Type
drilled
Features Provided
finished head
Thread Quantity Per Inch
24
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Hole Configuration Style
hexagon longitudinal hole
Material
steel
Thread Series Designator
unf
