National Stock number : 5310-01-125-1217
Self-locking Double Hexagon Nut
| Available Quantity | 15,218 |
| Available Conditions | NE NS OH |
| Classification | Nuts and Washers - FSC 5310 |
| Schedule B | 7318160000 |
| Stock Check Date | 02/02/2026 |
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 Double Hexagon Nut
Thread Class
3b
Thread Direction
RIGHT-Hand
Locking Feature
prevailing torque all metal design
Counterbore Diameter
0.332in. nut
Nut Style
double hexagon
Nut Height
0.253in. ⁓17/64"
Width Across Flats
0.493in. and 0.502in. ⁓33/64"
Thread Series
unjf
Thread Quantity Per Inch
24
Hardness Rating
42.0 rockwell c
Nominal Thread Size
0.312in. ⁓5/16"
Bearing Surface Type
chamfered or washer faced
Material
iron alloy 660
Material Document And Classification
ams 5525 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response
Precious Material And Location
all surfaces silver
Precious Material
silver
Surface Treatment
silver and chromate or silver
Surface Treatment Document And Classification
QQ-S-365, ty 1, cl a fed spec 1st treatment response or ams 2410 assn std 2nd treatment response
Specification/standard Data
78286-SS5086 manufacturers standard
