- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.842 inches nominal
- Fastener Length
- 6.904 inches nominal
- Head Style
- Hexagon
- Head Height
- 0.265 inches minimum and 0.297 inches maximum
- Width Between Flats
- 0.741 inches minimum and 0.751 inches maximum
- Shank Unthreaded Hole Diameter
- 0.106 inches minimum overall and 0.116 inches maximum overall
- Nominal Thread Diameter
- 0.5000 inches
- Grip Length
- 6.062 inches nominal
- Thread Quantity per Inch
- 20
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 0.599 inches minimum overall and 0.619 inches maximum overall
- Material
- Iron alloy 660 overall
- Material Document and Classification
- AMS5731 assn std single material response overall
- Surface Treatment
- Passivate overall
- Surface Treatment Document and Classification
- QQ-P-35 fed spec single treatment response overall
- Thread Series Designator
- UNF
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.