- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.735 inches nominal
- Fastener Length
- 1.045 inches minimum and 1.075 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.216 inches minimum and 0.226 inches maximum
- Width Between Flats
- 0.741 inches minimum and 0.752 inches maximum
- Grip Diameter
- 0.4990 inches minimum and 0.4995 inches maximum
- Nominal Thread Diameter
- 0.500 inches
- Grip Length
- 0.315 inches minimum and 0.335 inches maximum
- Thread Quantity per Inch
- 20
- Minimum Tensile Strength
- 160000 pounds per square inch
- Surface Finish
- 32.0 microinches bearing surface of HEAD32.0 microinches GRIP32.0 microinches threads
- Material
- Iron alloy 660 overall
- Material Document and Classification
- Ams 5731 assn std 1ST material response overall or ams 5737 assn std 2ND 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-NAS6708 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.