- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.454 inches nominal
- Fastener Length
- 3.314 inches minimum and 3.344 inches maximum
- Head Style
- Dished hexagon
- Head Height
- 0.188 inches minimum and 0.203 inches maximum
- Width Between Flats
- 0.554 inches minimum and 0.564 inches maximum
- Grip Diameter
- 0.374 inches nominal
- End Item Identification
- Fighter aircraft - first (F18 E/f)
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 2.865 inches minimum and 2.885 inches maximum
- Thread Quantity per Inch
- 24
- Minimum Tensile Strength
- 160000 pounds per square inch
- Criticality Code Justification
- AGAV
- Material
- Iron alloy 660 overall
- Material Document and Classification
- AMS5731 assn std 1ST material response overall or AMS5732 assn std 2ND material response overall or AMS5737 assn std 3RD material response overall or AMS5853 assn std 4TH 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.