National Stock number : 5310-01-057-9360
Self-locking Assembled Washe Nut
| Available Quantity | 14,120 |
| Available Conditions | NE NS SV |
| Classification | Nuts and Washers - FSC 5310 |
| Schedule B | 7318160000 |
| Stock Check Date | 04/14/2026 |
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 all metal design
Washer Outside Diameter
0.460in.
Counterbore Diameter
0.277in. nut and 0.287in. nut
Lubrication
dry film lubricant
Overall Height
0.271in. and 0.291in.
Nut Style
flat with turned up edge
Nut Counterbore Depth
0.072in. nut and 0.087in. nut
Width Across Flats
0.274in. and 0.284in. ⁓19/64"
Temp Rating
450.0 deg fahrenheit
Thread Series
unjf
Thread Quantity Per Inch
28
Hardness Rating
nut rockwell c scale 36 min and rockwell c scale 40 max, washer rockwell c scale 40 min and rockwell c scale 45 max
Nominal Thread Size
0.250in. ⁓1/4"
Bearing Surface Finish
125.0 microinches
Material
steel comp 4340 nut or steel comp 8740 nut
Surface Treatment
cadmium and chromate
Surface Treatment Document And Classification
QQ-P-416 type 2 class 2 fed spec single treatment response
Specification/standard Data
80205-NAS1726 professional/industrial association standard
