National Stock number : 5310-00-151-5430
Self-locking Assembled Washe Nut
| Available Quantity | 872 |
| Available Conditions | NS NE |
| Classification | Nuts and Washers - FSC 5310 |
| Schedule B | 7318160000 |
| Stock Check Date | 06/03/2026 |
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 Assembled Washe Nut
Thread Class
3b
Thread Direction
RIGHT-Hand
Locking Feature
prevailing torque with nonmetallic insert
Washer Outside Diameter
0.610in. and 0.640in.
Counterbore Diameter
0.385in. nut and 0.395in. nut
Overall Height
0.396in. and 0.436in.
Nut Style
flat with turned back edge
Nut Height
0.203in. ⁓13/64"
Nut Counterbore Depth
0.203in. nut and 0.223in. nut
Width Across Flats
0.492in. and 0.502in. ⁓33/64"
Temp Rating
250.0 deg fahrenheit
Thread Series
unjf
Thread Quantity Per Inch
24
Nominal Thread Size
0.312in. ⁓5/16"
Countersink Angle
60.0 degrees nut
Material
steel comp 1137 nut or steel comp 11L37 nut or steel comp 8740 nut
Material Document And Classification
QQ-A-225/6, T4 fed spec 1st material response washer or QQ-A-250/13, T6 fed spec 2nd material response washer
Surface Treatment
cadmium nut and chromate nut
Surface Treatment Document And Classification
MIL-C-5541 mil spec single treatment response washer
