- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.376-0.438 inches
- Fastener Length
- 0.438 inches nominal
- Head Style
- Double hexagon W/hole
- Head Height
- 0.260 inches nominal
- Width Between Flats
- 0.243-0.251 inches
- Extended Washer Diameter
- 0.375 inches nominal
- Extended Washer Thickness
- 0.040-0.050 inches
- Nominal Thread Diameter
- 0.190 inches
- Features
- Finished head
- Thread Qty/Inch
- 32
- Min Tensile Strength
- 130,000 psi
- Hardness
- 248-341 Brinell
- Min Yield Strength
- 85,000 psi
- Surface Finish
- 32 microinches (threads), 63 microinches (bearing surface)
- Material
- Iron alloy 660 (AMS5732)
- 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.