- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.669-0.820 in
- Fastener Length
- 0.928-0.948 in
- Head Style
- Double hexagon W/hole
- Head Height
- 0.303 in nominal
- Width Between Flats
- 0.3125 in nominal
- Extended Washer Diameter
- 0.438 in nominal
- Extended Washer Thickness
- 0.060 in min
- Nominal Thread Diameter
- 0.250 in
- Features Provided
- Finished head
- Thread Qty/Inch
- 28
- Min Tensile Strength
- 125,000 psi
- Hardness
- 26.0-32.0 Rockwell C
- Surface Finish
- 32.0 microinches (bearing, grip, threads)
- Material
- Steel comp 8740 (AMS 6322)
- Surface Treatment
- Cadmium (AMS 2400)
- Thread Series
- 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.