- Thread Class
- 2A
- Thread Direction
- Right-hand
- Thread Length
- 1.566 inches minimum and 1.690 inches maximum
- Fastener Length
- 1.688 inches minimum and 1.750 inches maximum
- Head Style
- Flat countersunk
- Head Diameter
- 0.238 inches minimum and 0.279 inches maximum
- Internal Drive Style
- Cross recess type 1
- Nominal Thread Diameter
- 0.138 inches
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 80000 pounds per square inch
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Screw Material
- Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316
- Screw Material Document and Classification
- 66 fed std all material responses
- Screw Surface Treatment
- Oxide
- Screw Surface Treatment Document and Classification
- MIL-C-13924 cl 4 mil spec single treatment response
- Thread Series Designator
- UNC
- Nondefinitive Spec/STD Data
- 3 type and 3C 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.