- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.469 inches minimum
- Fastener Length
- 0.781 inches nominal
- Head Style
- Hexagon
- Head Height
- 0.140 inches minimum and 0.172 inches maximum
- Width Between Flats
- 0.428 inches minimum and 0.440 inches maximum
- Hole Diameter
- 0.046 inches nominal
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.312 inches nominal
- Hole Quantity
- 1
- Hole Type
- Drilled
- Features Provided
- Finished head
- Thread Quantity per Inch
- 28
- Minimum Tensile Strength
- 62000 pounds per square inch
- Hole Configuration Style
- Hexagon flats
- Material
- Aluminum alloy 2024 overall or aluminum alloy overall
- Material Document and Classification
- QQ-A-267 fed spec 1ST material response overall or QQ-A-268 fed spec 1ST material response overall or MIL-W-7986 mil spec 2ND material response overall
- Surface Treatment
- Oxide film overall and anodize overall
- Surface Treatment Document and Classification
- MIL-C-5541 mil spec 1ST treatment response overall and MIL-A-8625 mil spec 2ND 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.