- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.877 inches minimum and 0.927 inches maximum
- Fastener Length
- 2.699 inches minimum and 2.729 inches maximum
- Head Style
- Dished hexagon
- Width Between Flats
- 0.928 inches minimum and 0.940 inches maximum
- Grip Diameter
- 0.6235 inches minimum and 0.6240 inches maximum
- Shank Unthreaded Hole Diameter
- 0.136 inches minimum first hole and 0.146 inches maximum first hole
- Nominal Thread Diameter
- 0.625 inches
- Grip Length
- 2.115 inches minimum and 2.135 inches maximum
- Thread Quantity per Inch
- 18
- Minimum Tensile Strength
- 160000 pounds per square inch
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 2.465 inches minimum first hole
- Material
- Iron alloy 660 overall
- Material Document and Classification
- AMS5737 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.