National Stock number : 5310-01-448-0074
Self-locking Extended Washer Nut
| Available Quantity | 1,053 |
| Available Conditions | NE NS |
| Classification | Nuts and Washers - FSC 5310 |
| Schedule B | 7318160000 |
| Stock Check Date | 11/15/2025 |
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 Extended Washer Nut
Thread Class
3b
Thread Direction
RIGHT-Hand
Locking Feature
prevailing torque all metal design
Washer Outside Diameter
0.410in.
Overall Height
0.308in. and 0.328in.
Nut Style
double hexagon
Washer Thickness
0.045in. and 0.060in.
Width Across Flats
0.312in. ⁓5/16"
Thread Series
unjf
Thread Quantity Per Inch
28
Hardness Rating
24.0 rockwell c
Nominal Thread Size
0.250in. ⁓1/4"
Countersink Angle
85.0 degrees nut and 95.0 degrees nut
Material
iron alloy 660
Material Document And Classification
AMS-5732 assn std single material response or ams 5737 assn std single material response
