- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.990 inches minimum and 1.070 inches maximum
- Fastener Length
- 1.178 inches minimum and 1.198 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.219 inches nominal
- Width Between Flats
- 0.553 inches minimum and 0.564 inches maximum
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 0.128 inches minimum and 0.188 inches maximum
- Thread Quantity per Inch
- 24
- Hardness Rating
- 24.0 rockwell C minimum overall and 35.0 rockwell C maximum overall
- Material
- Iron alloy 660 overall
- Material Document and Classification
- Ams 5731 assn std single material 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.