National Stock number : 5306-00-156-2654
Machine Bolt
| Available Quantity | 2,788 |
| Available Conditions | NS NE AR |
| Classification | Bolts - FSC 5306 |
| Schedule B | 7318152000 |
| Stock Check Date | 03/26/2026 |
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
0.657in. ⁓43/64"
Fastener Length
4.219in. ⁓4-7/32"
Head Style
hexagon
Head Height
0.234in. and 0.266in. ⁓17/64"
Width Between Flats
0.615in. and 0.627in.
Shank Unthreaded Hole Diameter
0.106in. first hole
Nominal Thread Diameter
0.438in. ⁓29/64"
Grip Length
3.562in.
Features Provided
finished head
Thread Quantity Per Inch
20
Minimum Tensile Strength
125000 pounds per square inch
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Distance From Head Largest Bearing Surface To Shank Hole Center
4.046in. first 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, type 2, class 3 fed spec all treatment responses
Thread Series Designator
unf
