- Thread Class
- 3B
- Thread Direction
- Right-hand
- Locking Feature
- Prevailing torque with nonmetallic insert
- Lubrication
- Soluble lubricant
- Nut Style
- Hexagon
- Nut Height
- 0.435 nominal mils and 0.469 nominal centimeters
- Width Across Flats
- 0.679 inches minimum and 0.690 inches maximum
- Temp Rating
- 250.0 deg fahrenheit nominal
- Thread Series
- UNJF
- Thread Quantity per Inch
- 20
- Nominal Thread Size
- 0.438 inches
- Countersink Angle
- 88.0 degrees nominal nut
- Bearing Surface Type
- Chamfered or washer faced
- Bearing Surface Finish
- 125.0 microinches
- Material
- Aluminum alloy 2014 nut or aluminum alloy 2017 nut or aluminum alloy 2024 nut or aluminum alloy 7075 nut
- Material Document and Classification
- QQ-A-200/2, T6 fed spec 1ST material response nut or QQ-A-225/5, T4 fed spec 2ND material response nut or QQ-A-225/6, T6 fed spec 3RD material response nut or QQ-A-200/11, T6 fed spec 4TH material response nut
- Surface Treatment
- Anodize overall except insert
- Surface Treatment Document and Classification
- MIL-A-8625 mil 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.