- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.363 inches nominal
- Fastener Length
- 1.223 inches minimum and 1.253 inches maximum
- Head Style
- Flat countersunk
- Head Diameter
- 0.339 inches minimum and 0.381 inches maximum
- Grip Diameter
- 0.1885 inches minimum and 0.1895 inches maximum
- Shank Unthreaded Hole Diameter
- 0.070 inches minimum first hole and 0.080 inches maximum first hole
- Internal Drive Style
- Offset cruciform (torque set)
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 0.865 inches minimum and 0.885 inches maximum
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 160000 pounds per square inch
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 1.112 inches minimum first hole and 1.132 inches maximum first hole
- Material
- Iron alloy 660 overall
- Material Document and Classification
- AMS5731 assn std single material response overall or AMS576559999999999999JGAAMS5731 assn std single material response overall or AMS5732 assn std single material response overall or 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
- UNJF
- Specification/Standard Data
- 80205-NAS1580 professional/industrial association standard
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.