- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.721 inches minimum and 0.768 inches maximum
- Fastener Length
- 4.981 inches minimum and 5.001 inches maximum
- Head Style
- Double hexagon W/hole
- Head Height
- 0.435 inches nominal
- Width Between Flats
- 0.492 inches minimum and 0.502 inches maximum
- Extended Washer Diameter
- 0.740 inches minimum and 0.750 inches maximum
- Extended Washer Thickness
- 0.099 inches nominal
- Nominal Thread Diameter
- 0.437 inches
- Grip Length
- 4.490 inches minimum and 4.510 inches maximum
- Thread Quantity per Inch
- 20
- Material
- Steel comp 8740 overall and steel comp 4140 overall and steel comp E4340 overall and steel comp 6150 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.