- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.309 inches minimum and 0.359 inches maximum
- Fastener Length
- 0.756 inches minimum and 0.786 inches maximum
- Head Style
- Double hexagon W/hole
- Head Height
- 0.265 inches minimum and 0.285 inches maximum
- Width Between Flats
- 0.243 inches minimum and 0.251 inches maximum
- Extended Washer Diameter
- 0.340 inches minimum and 0.350 inches maximum
- Extended Washer Thickness
- 0.054 inches minimum and 0.074 inches maximum
- Hole Diameter
- 0.032 inches minimum and 0.042 inches maximum
- Grip Diameter
- 0.1885 inches minimum and 0.1895 inches maximum
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 0.427 inches minimum and 0.447 inches maximum
- Hole Quantity
- 4
- Hole Type
- Drilled
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 220000 pounds per square inch
- Hardness Rating
- 46.0 rockwell C minimum overall and 50.0 rockwell C maximum overall
- Hole Configuration Style
- Double hexagon longitudinal hole
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Material
- Steel comp H11 overall
- Material Document and Classification
- Ams 6485 assn std single material response overall
- Surface Treatment
- Cadmium overall
- Surface Treatment Document and Classification
- Nas 672 assn std single treatment response overall
- Thread Series Designator
- UNJF
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.