National Stock number : 5310-00-637-8819
Hexagon Castellated Plain Nut
| Available Quantity | 762 |
| Available Conditions | NS NE AR |
| Classification | Nuts and Washers - FSC 5310 |
| Schedule B | 7318160000 |
| Stock Check Date | 05/15/2026 |
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
Hexagon Castellated Plain Nut
Thread Class
3b
Thread Direction
RIGHT-Hand
Nut Style
castellated, hexagon
Nut Height
0.609in. and 0.641in. ⁓41/64"
Width Across Flats
1.852in. and 1.877in. ⁓1-57/64"
Thread Series
unf
Thread Quantity Per Inch
12
Nominal Thread Size
1.250in. ⁓1-1/4"
Countersink Angle
109.0 degrees nut and 111.0 degrees nut
Bearing Surface Type
washer faced
Material
steel corrosion resisting
Surface Treatment
passivate
