- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.578 inches nominal
- Fastener Length
- 1.501 inches minimum and 1.531 inches maximum
- Head Style
- Dished hexagon
- Head Height
- 0.188 inches nominal
- Width Between Flats
- 0.554 inches minimum and 0.564 inches maximum
- Grip Diameter
- 0.375 inches nominal
- Shank Unthreaded Hole Diameter
- 0.106 inches nominal first hole
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 0.938 inches nominal
- Thread Quantity per Inch
- 24
- Minimum Tensile Strength
- 160000 pounds per square inch
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 1.319 inches nominal first hole
- Material
- Iron alloy 660 overall
- Material Document and Classification
- AMS5731 assn std 1ST material response overall or AMS5732 assn std 2ND material response overall or AMS5737 assn std 3RD material response overall or AMS5853 assn std 4TH material response overall
- Surface Treatment
- Passivate overall
- Surface Treatment Document and Classification
- QQ-P-35 fed spec 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.