- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.323 inches nominal
- Fastener Length
- 1.996 inches minimum and 2.026 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.110 inches minimum and 0.125 inches maximum
- Width Between Flats
- 0.367 inches minimum and 0.376 inches maximum
- Grip Diameter
- 0.189 inches minimum and 0.190 inches maximum
- Shank Unthreaded Hole Diameter
- 0.070 inches minimum first hole and 0.080 inches maximum first hole
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 1.678 inches minimum and 1.698 inches maximum
- Features Provided
- Finished head
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell C minimum overall and 40.0 rockwell C maximum overall
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 2.899 inches minimum first hole and 2.919 inches maximum first hole
- Surface Finish
- 125.0 microinches first hole
- Surface Finish
- 125.0 microinches sides of head
- Surface Finish
- 125.0 microinches top of head
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- Steel comp 4340 overall or steel comp 8740 overall
- Material Document and Classification
- MIL-S-5000 uns G43400 mil spec 1ST material response overall or MIL-S-6049 mil spec 2ND material response overall or AMS6322 uns G87400 assn std 2ND material response overall
- Surface Treatment
- Cadmium overall and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416, ty 2 cl 2 fed spec all treatment responses overall
- Supplementary Features
- Close tol appl
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS6203 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.