- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.618 inches minimum and 0.668 inches maximum
- Fastener Length
- 2.066 inches minimum and 2.096 inches maximum
- Head Style
- Double hexagon W/hole
- Head Height
- 0.378 inches minimum and 0.398 inches maximum
- Width Between Flats
- 0.430 inches minimum and 0.439 inches maximum
- Extended Washer Diameter
- 0.639 inches minimum and 0.649 inches maximum
- Extended Washer Thickness
- 0.081 inches minimum and 0.101 inches maximum
- Grip Diameter
- 0.3735 inches minimum and 0.3745 inches maximum
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 1.428 inches minimum and 1.448 inches maximum
- Thread Quantity per Inch
- 24
- Minimum Tensile Strength
- 220000 pounds per square inch
- Hardness Rating
- 46.0 rockwell C minimum overall and 49.0 rockwell C maximum overall
- Material
- Steel comp H11 overall
- Material Document and Classification
- Ams 6487 assn std single material response overall
- Surface Treatment
- Cadmium overall
- Surface Treatment Document and Classification
- Nas 672 assn std 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.