- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.235 inches minimum and 0.327 inches maximum
- Fastener Length
- 0.297 inches minimum and 0.327 inches maximum
- Head Style
- Flat chamfer
- Head Diameter
- 0.262 inches minimum and 0.270 inches maximum
- Head Height
- 0.159 inches minimum and 0.164 inches maximum
- Locking Feature
- Patch threads
- Internal Drive Style
- Hexagon
- Nominal Thread Diameter
- 0.138 inches
- Width Across Flats
- 0.141 inches minimum and 0.144 inches maximum
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 8000 pounds per square inch
- Hardness Rating
- 80.0 rockwell C minimum fastener
- Minimum Yield Strength
- 30000 pounds per square inch
- Material
- Plastic polyamide locking feature
- Material
- Steel comp 302 fastener or steel comp 304 fastener or steel comp 305 fastener or steel comp 316 fastener or steel comp 384 fastener or steel comp XM-7 fastener
- Surface Treatment
- Passivate fastener
- Surface Treatment Document and Classification
- Stm A380 assn std single treatment response fastener
- Thread Series Designator
- UNC
- Nondefinitive Spec/STD Data
- 6 type
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.