- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.408 inches minimum and 0.485 inches maximum
- Fastener Length
- 2.329 inches minimum and 2.376 inches maximum
- Head Style
- PAN
- Head Diameter
- 0.306 inches minimum and 0.322 inches maximum
- Head Height
- 0.105 inches minimum and 0.115 inches maximum
- Internal Drive Style
- Cross recess type 1
- Nominal Thread Diameter
- 0.164 inches
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 125000 pounds per square inch
- Hardness Rating
- 26.0 rockwell C minimum and 32.0 rockwell C maximum
- Screw Material
- Steel comp 8630 or steel comp 4037
- Screw Material Document and Classification
- MIL-S-6050 mil spec 1ST material response or ams 6300 assn std 2ND material response
- Screw Surface Treatment
- Cadmium and chromate
- Screw Surface Treatment Document and Classification
- QQ-P-416, ty 2 cl 3 fed spec all treatment responses
- Thread Series Designator
- UNC
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.