- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.345 inches nominal
- Fastener Length
- 4.330 inches minimum and 4.360 inches maximum
- Head Style
- Dished hexagon
- Head Height
- 0.110 inches minimum and 0.125 inches maximum
- Width Between Flats
- 0.367 inches minimum and 0.376 inches maximum
- Grip Diameter
- 0.188 inches minimum and 0.189 inches maximum
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 3.990 inches minimum and 4.010 inches maximum
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 160000 pounds per square inch
- Material
- Steel comp E4340 overall or steel comp 8740 overall
- Surface Treatment
- Cadmium overall and chromate 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.