National Stock number : 5310-00-012-2498
Hexagon Castellated Plain Nut
| Available Quantity | 1,132 |
| Available Conditions | NE NS OH SV AR |
| Classification | Nuts and Washers - FSC 5310 |
| Schedule B | 7318160000 |
| Stock Check Date | 05/20/2026 |
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
0.281in. ⁓9/32"
Width Across Flats
0.438in. ⁓29/64"
Thread Series
unf
Thread Quantity Per Inch
28
Nominal Thread Size
0.250in. ⁓1/4"
Bearing Surface Type
chamfered or washer faced
Material
steel
Surface Treatment
cadmium or zinc and chromate
Surface Treatment Document And Classification
QQ-P-416 type 2 class 3 fed spec 1st treatment response or QQ-Z-325 type 2 class 3 fed spec 2nd treatment response
Nondefinitive Spec/std Data
5 type
