- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.751 inches nominal
- Fastener Length
- 0.810 inches nominal
- Head Style
- Spline extended washer
- Head Height
- 0.388 inches nominal
- Extended Washer Diameter
- 0.639 inches minimum and 0.649 inches maximum
- Extended Washer Thickness
- 0.091 inches nominal
- Head Minor Diameter
- 0.437 inches nominal
- Nominal Thread Diameter
- 0.375 inches
- Hole Quantity
- 4
- Hole Type
- Drilled
- Thread Quantity per Inch
- 24
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell C minimum overall and 40.0 rockwell C maximum overall
- Hole Configuration Style
- Double hexagon longitudinal hole
- Special Features
- Dry film lub, MIL-L-46010, ty 1
- Material
- Steel overall
- Material Document and Classification
- MIL-S-6049 mil spec single material response overall
- Surface Treatment
- Nickel overall
- Special Test Features
- Embrittlement relief, bake 23 hrs, 375 +/- 25 deg
- Surface Treatment Document and Classification
- QQ-N-290, ty 1 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.