- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Series
- UNJF
- Nominal Thread Diameter
- 0.190 inches
- Thread Qty per Inch
- 32
- Thread Length
- 0.338 min – 0.388 max inches
- Fastener Length
- 1.036 min – 1.066 max inches
- Grip Length
- 0.678 min – 0.698 max inches
- Grip Diameter
- 0.188 min – 0.189 max inches
- Head Style
- Flat countersunk
- Head Diameter
- 0.258 min – 0.305 max inches
- Countersink Angle
- 99.0 min – 101.0 max degrees
- Internal Drive Style
- Offset cruciform (torque set)
- Surface Finish
- 32.0 microinches grip and threads
- Material
- Steel comp H11 overall
- Material Doc
- AMS 6487
- Min Tensile Strength
- 220,000 psi
- Hardness
- 46.0 RC min – 50.0 RC max overall
- Surface Treatment
- Aluminum overall and chromate overall
- Surface Treatment Doc
- MIL-C-83488, Type 2, Class 3
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.