- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.495 inches minimum
- Fastener Length
- 1.255 inches minimum and 1.285 inches maximum
- Head Style
- Spline extended washer
- Head Height
- 0.240 inches minimum and 0.260 inches maximum
- Extended Washer Diameter
- 0.460 inches minimum and 0.470 inches maximum
- Extended Washer Thickness
- 0.026 inches minimum and 0.046 inches maximum
- Grip Diameter
- 0.2485 inches minimum and 0.2495 inches maximum
- Head Minor Diameter
- 0.235 inches minimum and 0.250 inches maximum
- End Item Identification
- F/A-18E aircraft
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.740 inches minimum and 0.760 inches maximum
- Thread Quantity per Inch
- 28
- Minimum Tensile Strength
- 220000 pounds per square inch
- Criticality Code Justification
- AGAV
- Surface Finish
- 32.0 microinches bearing surface of head
- Material
- Nickel alloy 718 overall
- Material Document and Classification
- Ams 5662 assn std single material response overall or ams 5663 assn std single material response overall
- Surface Treatment
- Passivate 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.