National Stock number : 5310-00-570-4049
Self-locking Barrel Nut
| Available Quantity | 687 |
| Available Conditions | NS NE SV |
| Classification | Nuts and Washers - FSC 5310 |
| Schedule B | 7318160000 |
| Stock Check Date | 09/10/2025 |
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
Self-locking Barrel Nut
Thread Class
3b
Thread Direction
RIGHT-Hand
Locking Feature
prevailing torque with nonmetallic insert
Counterbore Diameter
0.339in. nut and 0.349in. nut
Nut Style
floating SELF-Locking barrel
Nut Diameter
0.550in. and 0.553in.
Nut Length
0.610in. ⁓5/8"
Barrel Height
0.409in. and 0.429in.
Nut Height
0.464in. ⁓15/32"
Nut Counterbore Depth
0.103in. nut and 0.123in. nut
Temp Rating
250.0 deg fahrenheit
Thread Series
unjf
Features Provided
floating nut
Thread Quantity Per Inch
24
Hardness Rating
29.0 rockwell c and 37.0 rockwell c
Nominal Thread Size
0.312in. ⁓5/16"
Material
steel comp 4130 nut or steel comp 4140 nut or steel comp 4340 nut
Material Document And Classification
66 fed std 2nd material response nut or 66 fed std 3rd material response nut or MIL-S-5000 mil spec 4th material response nut
Surface Treatment
cadmium except insert
Surface Treatment Document And Classification
QQ-P-416 ty 2, cl 3 fed spec single treatment response except insert
