National Stock number : 5310-00-857-4987
Self-locking Extended Washer Nut
| Available Quantity | 460 |
| Available Conditions | NE NS AR |
| Classification | Nuts and Washers - FSC 5310 |
| Schedule B | 7318160000 |
| Stock Check Date | 06/26/2026 |
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
0.438in.
Overall Height
0.230in.
Nut Style
double hexagon
Washer Thickness
0.030in.
Width Across Flats
0.304in. and 0.313in. ⁓21/64"
Thread Series
unf
Thread Quantity Per Inch
28
Nominal Thread Size
0.250in. ⁓1/4"
Material
steel
Surface Treatment
cadmium
