- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.425 inches nominal
- Fastener Length
- 1.348-1.378 inches
- Head Style
- Dished hexagon
- Head Height
- 0.125-0.140 inches
- Width Between Flats
- 0.429-0.439 inches
- Grip Diameter
- 0.248-0.249 inches
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.928-0.948 inches
- Thread Quantity per Inch
- 28
- Min Tensile Strength
- 160000 psi
- Part Name (Controlling Agency)
- Bolt hex head, close tolerance
- End Item Identification
- B-2 bomber
- Material
- Iron alloy 660
- Surface Treatment
- Cadmium and chromate
- Thread Series
- 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.