- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.523-0.562 inches
- Fastener Length
- 0.615-0.635 inches
- Head Style
- Double hexagon W/hole
- Head Height
- 0.250-0.270 inches
- Width Between Flats
- 0.240-0.260 inches
- Extended Washer Diameter
- 0.365-0.385 inches
- Extended Washer Thickness
- 0.040-0.050 inches
- Hole Diameter
- 0.047 inches nominal
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 0.072-0.092 inches
- Hole Quantity
- 4
- Hole Type
- Drilled
- Features Provided
- Finished head
- Thread Quantity per Inch
- 32
- Hole Configuration Style
- Double hexagon longitudinal hole
- Surface Finish
- 32.0 microinches (bearing surface, grip, threads)
- Material
- Iron alloy 660 overall
- Material Document
- AMS 5731
- 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.