- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 1.250 inches nominal
- Fastener Length
- 1.240 inches minimum and 1.260 inches maximum
- Head Style
- Double hexagon extended washer
- Head Height
- 0.293 inches minimum and 0.313 inches maximum
- Width Between Flats
- 0.375 inches nominal
- Extended Washer Diameter
- 0.428 inches minimum and 0.448 inches maximum
- Extended Washer Thickness
- 0.060 inches minimum and 0.080 inches maximum
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity per Inch
- 28
- Material
- Nickel alloy 718 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.