- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.620 inches minimum and 0.700 inches maximum
- Fastener Length
- 1.740 inches minimum and 1.760 inches maximum
- Head Style
- Double hexagon extended washer
- Head Height
- 0.260 inches nominal
- Width Between Flats
- 0.243 inches minimum and 0.251 inches maximum
- Extended Washer Diameter
- 0.375 inches nominal
- Extended Washer Thickness
- 0.040 inches minimum and 0.050 inches maximum
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 1.060 inches minimum and 1.120 inches maximum
- Features Provided
- Finished head
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 195000 pounds per square inch
- Hardness Rating
- 42.0 rockwell C minimum overall and 46.0 rockwell C maximum overall
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- Steel comp 601 overall
- Surface Treatment
- Nickel overall or cadmium 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.