- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.990 inches nominal
- Fastener Length
- 1.125 inches nominal
- Head Style
- Double hexagon W/hole
- Head Height
- 0.422 inches nominal
- Width Between Flats
- 0.430 inches minimum and 0.439 inches maximum
- Extended Washer Diameter
- 0.562 inches nominal
- Extended Washer Thickness
- 0.090 inches minimum and 0.100 inches maximum
- First Diameter from Head
- 0.343 inches minimum and 0.353 inches maximum
- Distance from Largest Bearing Surface of Head to End of First Diameter
- 0.125 inches minimum and 0.145 inches maximum
- Nominal Thread Diameter
- 0.375 inches
- Thread Quantity per Inch
- 24
- Hardness Rating
- 42.0 rockwell C minimum overall and 46.0 rockwell C maximum overall
- Externally Relieved Body Diameter Quantity
- 1
- Material
- Steel comp 601 overall
- Material Document and Classification
- Ams 6304 assn std single material response overall
- Surface Treatment
- Nickel overall and cadmium overall
- Surface Treatment Document and Classification
- Ams 2416 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.