- Thread Class
- 2A
- Thread Direction
- Right-hand
- Thread Length
- 1.126 inches minimum and 1.314 inches maximum
- Fastener Length
- 3.656 inches minimum and 3.750 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.272 inches minimum and 0.291 inches maximum
- Width Between Flats
- 0.612 inches minimum and 0.625 inches maximum
- Nominal Thread Diameter
- 0.438 inches
- Thread Quantity per Inch
- 14
- Minimum Tensile Strength
- 80000 pounds per square inch
- Hardness Rating
- 80.0 rockwell B minimum overall
- Minimum Yield Strength
- 30000 pounds per square inch
- Material
- Steel comp 301 overall or steel comp 302 overall or steel comp 302B overall or steel comp 303 overall or steel comp 303SE overall or steel comp 304 overall or steel comp 304L overall or steel comp 305 overall or steel comp 308 overall or steel comp 309 overall or steel comp 309S overall or steel comp 310 overall or steel comp 310S overall or steel comp 314 overall or steel comp 316 overall or steel comp 316L overall or steel comp 317 overall or steel comp 321 overall or steel comp 347 overall or steel comp 348 overall or steel comp 384 overall or steel comp 385 overall
- Material Document and Classification
- 66 fed std all material responses overall
- Surface Treatment
- Passivate overall
- Surface Treatment Document and Classification
- QQ-P-35 fed spec single treatment response overall
- Thread Series Designator
- UNC
- Nondefinitive Spec/STD Data
- 2 type and 10P style
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.