- Thread Direction
- Right-hand
- Thread Length
- 0.298 inches minimum and 0.348 inches maximum
- Fastener Length
- 1.370 inches minimum and 1.400 inches maximum
- Head Style
- Dished hexagon
- Head Height
- 0.110 inches minimum and 0.125 inches maximum
- Width Between Flats
- 0.367 inches minimum and 0.376 inches maximum
- Grip Diameter
- 0.1885 inches minimum and 0.1895 inches maximum
- End Item Identification
- B-52 aircraft
- Grip Length
- 1.052 inches minimum and 1.072 inches maximum
- Nonstandard Thread Pitch Diameter
- -300.0 to 500.0 inches
- Minimum Tensile Strength
- 160000 pounds per square inch
- Material
- Iron alloy 660 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.