National Stock number : 5310-01-065-6541
Self-locking Extended Washer Nut
| Available Quantity | 1,886 |
| Available Conditions | SV NE NS OH AR |
| Classification | Nuts and Washers - FSC 5310 |
| Schedule B | 7318160000 |
| Stock Check Date | 02/25/2026 |
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
Self-locking Extended Washer Nut
Thread Class
3b
Thread Direction
RIGHT-Hand
Locking Feature
prevailing torque all metal design
Washer Outside Diameter
0.444in.
Overall Height
0.290in.
Nut Style
double hexagon
Washer Thickness
0.033in.
Width Across Flats
0.373in. and 0.381in. ⁓25/64"
Temp Rating
450.0 deg fahrenheit
Thread Series
unf
Thread Quantity Per Inch
28
Hardness Rating
48.0 rockwell c
Nominal Thread Size
0.250in. ⁓1/4"
Material
steel
Surface Treatment
cadmium and chromate
Surface Treatment Document And Classification
QQ-P-416, ty 2, cl 2 fed spec single treatment response
