National Stock number : 5306-01-042-4389
Machine Bolt
| Available Quantity | 608 |
| Available Conditions | NS NE |
| Classification | Bolts - FSC 5306 |
| Schedule B | 7318152000 |
| Stock Check Date | 11/06/2025 |
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
0.678in. and 0.781in. ⁓25/32"
Fastener Length
0.750in. and 0.812in. ⁓13/16"
Head Style
crowned hexagon
Head Height
0.131in. and 0.151in. ⁓5/32"
Width Between Flats
0.428in. and 0.440in.
Hole Diameter
0.035in. ⁓3/64"
Nominal Thread Diameter
0.250in. ⁓1/4"
Grip Length
0.031in. and 0.062in.
Hole Quantity
1
Hole Type
drilled
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
Hole Configuration Style
hexagon longitudinal hole
Special Features
slot in @thread end
Material
steel comp 8740 or steel comp 4140 or steel comp 8735 or steel comp 4037 or steel comp 4130
Surface Treatment
cadmium and chromate
Surface Treatment Document And Classification
QQ-P-416, type 2, class 2 fed spec single treatment response
Thread Series Designator
unf
Specification/standard Data
80205-NAS428 professional/industrial association standard
