- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.469 inches nominal
- Fastener Length
- 1.266 inches minimum and 1.296 inches maximum
- Head Style
- Dished hexagon
- Head Height
- 0.156 inches minimum and 0.171 inches maximum
- Width Between Flats
- 0.492 inches minimum and 0.502 inches maximum
- Grip Diameter
- 0.311 inches minimum and 0.312 inches maximum
- Shank Unthreaded Hole Diameter
- 0.076 inches nominal first hole
- Nominal Thread Diameter
- 0.312 inches
- Grip Length
- 0.812 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
- 1.100 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 all treatment responses 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.