National Stock number : 5310-01-172-5134
Self-locking Extended Washer Nut
| Available Quantity | 7,903 |
| Available Conditions | NS NE |
| Classification | Nuts and Washers - FSC 5310 |
| Schedule B | 7318160000 |
| Stock Check Date | 02/12/2026 |
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
0.414in. and 0.444in.
Lubrication
dry film lubricant
Overall Height
0.290in.
Nut Style
double hexagon
Washer Thickness
0.040in.
Width Across Flats
0.367in. and 0.373in. ⁓3/8"
Temp Rating
450.0 deg fahrenheit
Thread Series
unjf
Thread Quantity Per Inch
28
Hardness Rating
34.0 rockwell c and 43.0 rockwell c
Nominal Thread Size
0.250in. ⁓1/4"
Material
steel comp 8740
Material Document And Classification
ams 6322 assn std single material response
Surface Treatment
cadmium and chromate
Surface Treatment Document And Classification
QQ-P-416, type 2, class 2 fed spec single treatment response
