- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.790 inches minimum and 0.810 inches maximum
- Fastener Length
- 2.500 inches nominal
- Head Style
- Double hexagon W/hole
- Head Height
- 0.300 inches nominal
- Width Between Flats
- 0.312 inches nominal
- Extended Washer Diameter
- 0.438 inches nominal
- Extended Washer Thickness
- 0.060 inches minimum
- Hole Diameter
- 0.070 inches nominal
- End Item Identification
- C-5 aircraft
- Nominal Thread Diameter
- 0.250 inches
- Hole Quantity
- 4
- Hole Type
- Drilled
- Thread Quantity per Inch
- 28
- Hole Configuration Style
- Double hexagon longitudinal hole
- Part Name Assigned BY Controlling Agency
- BOLT
- Material
- Iron alloy 660 overall
- Material Document and Classification
- AMS5731 assn std single material 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.