- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.544 inches minimum
- Fastener Length
- 1.669 inches nominal
- Head Style
- Hexagon
- Head Height
- 0.156 inches nominal
- Width Between Flats
- 0.430 in min / 0.439 in max
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 1.125 inches nominal
- Features Provided
- Finished head
- Thread Quantity per Inch
- 28
- Minimum Tensile Strength
- 140,000 PSI
- Special Features
- Tensile strength at room temperature
- Material
- Iron alloy 660 overall
- Material Document
- AMS5732 / AMS5737
- Surface Treatment
- Passivate overall
- Surface Treatment Document
- MIL-S-5002
- Thread Series Designator
- UNF
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.