- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 1.000 inches nominal
- Fastener Length
- 1.484 inches minimum and 1.531 inches maximum
- Head Style
- Double hexagon W/hole
- Head Height
- 0.320 inches minimum and 0.340 inches maximum
- Width Between Flats
- 0.304 inches minimum and 0.313 inches maximum
- Extended Washer Diameter
- 0.428 inches minimum and 0.448 inches maximum
- Extended Washer Thickness
- 0.060 inches minimum and 0.070 inches maximum
- Hole Diameter
- 0.032 inches minimum and 0.042 inches maximum
- End Item Identification
- F100/220 eng
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.500 inches maximum
- Hole Quantity
- 4
- Hole Type
- Drilled
- Thread Quantity per Inch
- 28
- Hole Configuration Style
- Double hexagon longitudinal hole
- Part Name Assigned BY Controlling Agency
- Screw, machine 12 point
- Material
- Steel comp 630 overall
- Material Document and Classification
- Ams 5643 assn std single 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.