National Stock number : 5310-01-036-6789
Plain Assembled Washer Nut
| Available Quantity | 1,227 |
| Available Conditions | NE NS |
| Classification | Nuts and Washers - FSC 5310 |
| Schedule B | 7318160000 |
| Stock Check Date | 01/23/2026 |
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
Plain Assembled Washer Nut
Thread Class
3b
Thread Direction
RIGHT-Hand
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 Counterbore Depth
0.203in. nut and 0.223in. nut
Width Across Flats
0.492in. and 0.502in. ⁓33/64"
Temp Rating
450.0 deg fahrenheit
Thread Series
unjf
Thread Quantity Per Inch
24
Nominal Thread Size
0.312in. ⁓5/16"
Bearing Surface Finish
125.0 microinches
Material
iron alloy 660 nut
Surface Treatment
passivate
Surface Treatment Document And Classification
QQ-P-35 fed spec single treatment response
