- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.345 inches nominal
- Fastener Length
- 0.642 inches minimum and 0.672 inches maximum
- Head Style
- Dished hexagon
- Head Height
- 0.110 inches minimum and 0.125 inches maximum
- Width Between Flats
- 0.642 inches minimum and 0.643 inches maximum
- Locking Feature
- Patch locking feature or pellet locking feature or strip locking feature
- Grip Diameter
- 0.1885 inches minimum and 0.1895 inches maximum
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 0.302 inches minimum and 0.322 inches maximum
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 160000 pounds per square inch
- Material
- Steel comp 8740 fastener or steel comp 4140 fastener or steel comp 4340 fastener
- Surface Treatment
- Cadmium fastener and chromate fastener
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS6603 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.