National Stock number : 5306-01-056-3506
Machine Bolt
| Available Quantity | 5,778 |
| Available Conditions | NS NE AR SV |
| Classification | Bolts - FSC 5306 |
| Schedule B | 7318152000 |
| Stock Check Date | 01/28/2025 |
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
0.720in. and 0.740in. ⁓3/4"
Fastener Length
1.365in. and 1.385in. ⁓1-25/64"
Head Style
double hexagon w/hole
Head Height
0.290in. and 0.310in. ⁓5/16"
Width Between Flats
0.311in. and 0.313in.
Extended Washer Diameter
0.428in. and 0.448in.
Extended Washer Thickness
0.050in. and 0.070in.
Nominal Thread Diameter
0.250in. ⁓1/4"
Grip Length
0.565in. and 0.625in.
Features Provided
finished head
Thread Quantity Per Inch
28
Hardness Rating
24.0 rockwell c and 35.0 rockwell c
Minimum Yield Strength
85000 pounds per square inch
Surface Finish
32.0 microinches threads
Material
iron alloy 660
Thread Series Designator
unjf
