- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.310 inches minimum and 0.360 inches maximum
- Fastener Length
- 1.018 inches minimum and 1.048 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.140 inches minimum and 0.172 inches maximum
- Width Between Flats
- 0.430 inches minimum and 0.439 inches maximum
- Shoulder Diameter
- 0.2490 inches minimum all shoulders and 0.2495 inches maximum all shoulders
- Shoulder Length
- 0.688 inches minimum all shoulders and 0.708 inches maximum all shoulders
- Shank Unthreaded Hole Diameter
- 0.070 inches minimum first hole and 0.080 inches maximum first hole
- Nominal Thread Diameter
- 0.190 inches
- Thread Quantity per Inch
- 32
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 0.845 inches minimum first hole and 0.895 inches maximum first hole
- Shoulder Shape
- Round all shoulders
- Material
- Iron alloy 660 overall
- Material Document and Classification
- Ams 5731 assn std single 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
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.