- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.250 inches maximum
- Fastener Length
- 0.345 inches minimum and 0.349 inches maximum
- Head Style
- Flat chamfer
- Head Diameter
- 0.154 inches minimum and 0.161 inches maximum
- Head Height
- 0.095 inches minimum and 0.099 inches maximum
- Internal Drive Style
- Hexagon
- Nominal Thread Diameter
- 0.099 inches
- Width Across Flats
- 0.078 inches minimum
- Thread Quantity per Inch
- 48
- Hardness Rating
- 36.0 rockwell C minimum and 45.0 rockwell C maximum overall
- Material
- Steel overall
- Material Document and Classification
- Ams 5731 assn std single material response or ams 5737 assn std single material response overall
- Surface Treatment
- Cadmium overall
- Surface Treatment Document and Classification
- QQ-P-416, type 2, class 2 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.