- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.276 inches minimum and 0.296 inches maximum
- Fastener Length
- 0.375 inches nominal
- Head Style
- Hexagon
- Head Height
- 0.156 inches nominal
- Width Between Flats
- 0.491 inches nominal
- Grip Diameter
- 0.222 inches minimum and 0.232 inches maximum
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.079 inches minimum and 0.099 inches maximum
- Thread Quantity per Inch
- 32
- Hardness Rating
- 26.0 rockwell C minimum overall and 32.0 rockwell C maximum overall
- Material
- Steel overall
- Material Document and Classification
- AMS6322-80 assn std single material response overall
- Surface Treatment
- Cadmium overall
- Surface Treatment Document and Classification
- AMS2400-80 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.