- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 1.650 inches minimum and 1.690 inches maximum
- Fastener Length
- 2.785 inches minimum and 2.805 inches maximum
- Head Style
- Double hexagon W/hole
- Head Height
- 1.041 inches minimum and 1.061 inches maximum
- Width Between Flats
- 1.240 inches minimum and 1.260 inches maximum
- Extended Washer Diameter
- 1.865 inches minimum and 1.875 inches maximum
- Extended Washer Thickness
- 0.248 inches minimum and 0.268 inches maximum
- Grip Diameter
- 1.1225 inches minimum and 1.1240 inches maximum
- Nominal Thread Diameter
- 1.125 inches
- Grip Length
- 1.115 inches minimum and 1.135 inches maximum
- Thread Quantity per Inch
- 12
- Minimum Tensile Strength
- 180000 pounds per square inch
- Hardness Rating
- 39.0 rockwell C minimum and 43.0 rockwell C maximum overall
- Part Name Assigned BY Controlling Agency
- Navy special project
- Surface Treatment Document and Classification
- QQ-P-416, type 2, class 2 fed spec 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.