National Stock number : 5306-00-620-8291
Machine Bolt
| Available Quantity | 286 |
| Available Conditions | NE NS |
| Classification | Bolts - FSC 5306 |
| Schedule B | 7318152000 |
| Stock Check Date | 01/06/2026 |
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
0.640in. ⁓41/64"
Fastener Length
6.578in. ⁓6-37/64"
Head Style
hexagon
Head Height
0.203in. and 0.235in. ⁓1/4"
Width Between Flats
0.553in. and 0.565in.
Nominal Thread Diameter
0.375in. ⁓3/8"
Grip Length
5.938in.
Features Provided
finished head
Thread Quantity Per Inch
24
Minimum Tensile Strength
125000 pounds per square inch
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
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 all treatment responses
Thread Series Designator
unf
