- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.370 inches nominal
- Fastener Length
- 3.183 inches nominal
- Head Style
- Hexagon
- Head Height
- 0.125 inches minimum and 0.140 inches maximum
- Width Between Flats
- 0.2490 inches minimum and 0.2495 inches maximum
- Grip Diameter
- 0.2490 inches minimum and 0.2495 inches maximum
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 2.813 inches nominal
- Thread Quantity per Inch
- 28
- Minimum Tensile Strength
- 160000 pounds per square inch
- Material
- Iron alloy 660 overall
- Material Document and Classification
- AMS5731 assn std single material response overall or AMS5737 assn std single material 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.