- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.323 inches nominal
- Fastener Length
- 0.433 inches minimum and 0.463 inches maximum
- Head Style
- Dished hexagon
- Head Height
- 0.110 inches minimum and 0.125 inches maximum
- Width Between Flats
- 0.367 inches minimum and 0.376 inches maximum
- Locking Feature
- Patch threads or pellet threads or strip threads
- Grip Diameter
- 0.1890 inches minimum and 0.1895 inches maximum
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 0.115 inches minimum and 0.125 inches maximum
- Thread Quantity per Inch
- 32
- 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 bearing surface of head
- Material
- Plastic polyamide locking feature
- Material Document and Classification
- AMS5731 assn std single material response fastener or AS-5737 assn std single material response fastener
- Material Document and Classification
- MIL-F-18240 mil spec single material response locking feature
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS6303 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.