- Thread Class
- 3B
- Thread Direction
- Right-hand
- Locking Feature
- Prevailing torque with nonmetallic insert
- Lubrication
- Soluble lubricant
- Nut Style
- Hexagon
- Nut Height
- 0.240 inches minimum and 0.360 inches maximum
- Width Across Flats
- 0.430 inches minimum and 0.439 inches maximum
- Temp Rating
- 250.0 deg fahrenheit nominal
- Thread Series
- UNJF
- Thread Quantity per Inch
- 28
- Nominal Thread Size
- 0.250 inches
- Countersink Angle
- 88.0 degrees nominal nut
- Criticality Code Justification
- FEAT
- Bearing Surface Type
- Chamfered or washer faced
- Bearing Surface Finish
- 125.0 microinches
- Special Features
- Magnetic particle inspection
- Material
- Copper alloy 360 nut or copper alloy 260 nut
- Surface Treatment
- Cadmium overall except insert
- Surface Treatment Document and Classification
- QQ-P-416, ty 2, cl 3 fed spec single treatment response overall except insert
Catalogue data is compiled from public DLA/FLIS sources and is provided for
identification. Availability, condition and certification are confirmed on
quotation. OmniSynk Distribution Services is a stocking distributor.