- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.406 inches minimum
- Fastener Length
- 1.625 inches nominal
- Head Style
- Round extended washer
- Head Diameter
- 0.375 inches nominal
- Head Height
- 0.089 inches minimum and 0.099 inches maximum
- Extended Washer Diameter
- 0.437 inches nominal
- Extended Washer Thickness
- 0.025 inches minimum and 0.030 inches maximum
- Internal Drive Style
- SLOT
- Nominal Thread Diameter
- 0.190 inches
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 100000 pounds per square inch
- Screw Material
- Steel
- Screw Material Document and Classification
- QQ-S-689 C4 fed spec single material response
- Screw Surface Treatment
- Cadmium and zinc
- Screw Surface Treatment Document and Classification
- AN-P-61 fed spec 1ST treatment response and MIL-P-6889 ty 1 mil spec 2ND treatment response
- 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.