- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 1.016 inches minimum and 1.066 inches maximum
- Fastener Length
- 2.776 inches minimum and 2.806 inches maximum
- Head Style
- Dished hexagon
- Head Height
- 0.375 inches minimum and 0.390 inches maximum
- Width Between Flats
- 1.052 inches minimum and 1.065 inches maximum
- Grip Diameter
- 0.7476 inches minimum and 0.7482 inches maximum
- Nominal Thread Diameter
- 0.750 inches
- Grip Length
- 1.740 inches minimum and 1.760 inches maximum
- Thread Quantity per Inch
- 16
- Minimum Tensile Strength
- 160000 pounds per square inch
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- Iron alloy 660 overall
- Material Document and Classification
- AMS5731 assn std single material response overall or AMS5737 fed std single material response overall
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS6712 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.