- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.544 inches nominal
- Fastener Length
- 1.856 inches nominal
- Head Style
- Hexagon
- Head Height
- 0.156 inches nominal
- Width Between Flats
- 0.430 inches minimum and 0.439 inches maximum
- End Item Identification
- B-1B aircraft
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 1.312 inches nominal
- Thread Quantity per Inch
- 28
- Material
- Iron alloy 660 overall
- Material Document and Classification
- Ams 5731 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.