- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.640 inches nominal
- Fastener Length
- 0.812 inches minimum and 0.859 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.203 inches minimum and 0.235 inches maximum
- Width Between Flats
- 0.553 inches minimum and 0.565 inches maximum
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 0.172 inches minimum and 0.203 inches maximum
- Features Provided
- Finished head
- Thread Quantity per Inch
- 24
- Minimum Tensile Strength
- 62000 pounds per square inch
- Surface Finish
- 32.0 microinches threads
- Surface Finish
- 63.0 microinches bearing surface of head
- Surface Finish
- 63.0 microinches grip
- Material
- Aluminum alloy 1100 overall or aluminum alloy 3003 overall or aluminum alloy 2011 overall or aluminum alloy 2014 overall or aluminum alloy 2017 overall or aluminum alloy 2024 overall or aluminum alloy 5052 overall or aluminum alloy 6061 overall or aluminum alloy 7075 overall
- Material Document and Classification
- QQ-A-225 fed spec all material responses overall
- Surface Treatment
- Anodize overall
- Surface Treatment Document and Classification
- MIL-A-8625 mil spec single treatment response overall
- Thread Series Designator
- UNF
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.