National Stock number : 5310-01-471-5230
Self-locking Extended Washer Nut
| Available Quantity | 11,820 |
| Available Conditions | NE NS |
| Classification | Nuts and Washers - FSC 5310 |
| Schedule B | 7318160000 |
| Stock Check Date | 06/18/2026 |
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
0.355in. and 0.365in.
Lubrication
dry film lubricant
Overall Height
0.275in.
Nut Style
hexagon
Washer Thickness
0.085in. and 0.095in.
End Item Identification
1520-01-355-8250; helicopter, attack
Width Across Flats
0.243in. and 0.251in. ⁓17/64"
Thread Series
unjf
Thread Quantity Per Inch
32
Nominal Thread Size
0.190in. ⁓13/64"
Material
steel comp 630 washer
Material Document And Classification
ams 5697 assn std 1st material response nut or ams 5647 assn std 2nd material response nut
Surface Treatment
passivate
