- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.293 inches minimum and 0.313 inches maximum
- Fastener Length
- 0.375 inches nominal
- Head Style
- Hexagon
- Head Height
- 0.106 inches minimum and 0.118 inches maximum
- Width Between Flats
- 0.305 inches minimum and 0.313 inches maximum
- First Diameter from Head
- 0.141 inches minimum and 0.151 inches maximum
- Distance from Largest Bearing Surface of Head to End of First Diameter
- 0.062 inches minimum and 0.082 inches maximum
- Internal Drive Style
- W/O internal drive
- Nominal Thread Diameter
- 0.164 inches
- Thread Quantity per Inch
- 36
- Hardness Rating
- 26.0 rockwell C minimum overall and 32.0 rockwell C maximum overall
- Externally Relieved Body Diameter Quantity
- 1
- Material
- Steel comp 8740 overall
- Material Document and Classification
- Ams 6322 assn std single material response overall
- Surface Treatment
- Cadmium overall
- Surface Treatment Document and Classification
- Ams 2400 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.