- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.289-0.375 inches
- Fastener Length
- 0.345-0.375 inches
- Head Style
- Flat chamfer
- Head Diameter
- 0.262-0.270 inches
- Head Height
- 0.159-0.164 inches
- Hole Diameter
- 0.044-0.050 inches
- Internal Drive Style
- Hexagon
- Nominal Thread Diameter
- 0.164 inches
- Width Across Flats
- 0.141-0.143 inches
- Hole Quantity
- 6
- Hole Type
- Drilled
- Thread Quantity per Inch
- 36
- Minimum Tensile Strength
- 180,000 psi
- Hardness Rating
- 38.0-45.0 Rockwell C
- Minimum Yield Strength
- 155,000 psi
- Hole Configuration
- Round internal hexagon
- Material
- Steel
- Surface Treatment
- Cadmium + Chromate (QQ-P-416, Ty 2 Cl 2)
- Thread Series
- UNRF
- Specification
- NAS1351 (CAGE 80205)
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.