- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.345 inches nominal
- Fastener Length
- 1.470 inches nominal
- 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 first shoulder and 0.2495 inches maximum first shoulder
- Shoulder Length
- 1.125 inches nominal first shoulder
- Shank Unthreaded Hole Diameter
- 0.070 inches nominal first hole
- Nominal Thread Diameter
- 0.190 inches
- Thread Quantity per Inch
- 32
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 1.307 inches nominal first hole
- Shoulder Shape
- Round first shoulder
- Material
- Iron alloy 660 overall
- Material Document and Classification
- AMS5737 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
- UNJC
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.