National Stock number : 5306-00-151-1418
Machine Bolt
| Available Quantity | 814 |
| Available Conditions | NE AR SV NS |
| Classification | Bolts - FSC 5306 |
| Schedule B | 7318152000 |
| Stock Check Date | 12/09/2025 |
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
0.469in. ⁓15/32"
Fastener Length
1.781in. ⁓1-25/32"
Head Style
hexagon
Head Height
0.140in. and 0.172in. ⁓11/64"
Width Between Flats
0.428in. and 0.440in.
Nominal Thread Diameter
0.250in. ⁓1/4"
Grip Length
1.312in.
Features Provided
finished head
Thread Quantity Per Inch
28
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, type 2, class 3 fed spec all treatment responses
Thread Series Designator
unf
