- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.495 inches minimum
- Fastener Length
- 0.818 inches minimum and 0.848 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-22
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.303 inches minimum and 0.323 inches maximum
- Thread Quantity per Inch
- 28
- Minimum Tensile Strength
- 220000 pounds per square inch
- Special Features
- Dry film lubricant per MIL-L-46010, type I
- Material
- Nickel alloy 718 overall
- Material Document and Classification
- AMS5662 assn std single material response overall or AMS5663 assn std single material response overall
- Surface Treatment
- Passivate overall
- Surface Treatment Document and Classification
- QQ-P-35 fed spec single treatment 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.