- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.391 inches minimum and 0.454 inches maximum
- Fastener Length
- 0.469 inches minimum and 0.500 inches maximum
- Head Style
- Fillister
- Head Diameter
- 0.389 inches minimum and 0.414 inches maximum
- Head Height
- 0.161 inches minimum and 0.170 inches maximum
- Hole Diameter
- 0.062 inches nominal
- Internal Drive Style
- SLOT
- Nominal Thread Diameter
- 0.250 inches
- Hole Quantity
- 1
- Thread Quantity per Inch
- 20
- Minimum Tensile Strength
- 125000 pounds per square inch
- Hardness Rating
- 26.0 rockwell C minimum and 32.0 rockwell C maximum
- Screw Material
- Steel comp 8630
- Screw Material Document and Classification
- MIL-S-6050 mil spec single material response or AN-S-9 mil std single material response
- Screw Surface Treatment
- Cadmium
- Screw Surface Treatment Document and Classification
- QQ-P-416, ty 1, cl 3 fed spec single treatment response
- Head Hole Configuration Style
- Round
- Thread Series Designator
- UNC
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.