- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.609-0.750 inches
- Fastener Length
- 0.720-0.750 inches
- Head Style
- Flat chamfer
- Head Diameter
- 0.457-0.469 inches
- Head Height
- 0.306-0.312 inches
- Internal Drive Style
- Hexagon
- Nominal Thread Diameter
- 0.312 inches
- Width Across Flats
- 0.250-0.253 inches
- Thread Quantity per Inch
- 24
- Minimum Tensile Strength
- 170,000 psi
- Hardness Rating
- 38.0-45.0 Rockwell C
- Minimum Yield Strength
- 150,000 psi
- Color
- Black
- Material
- Steel
- Surface Treatment
- Oxide (MIL-C-13924, Cl 1)
- 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.