- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.970 inches minimum and 1.000 inches maximum
- Fastener Length
- 1.985 inches nominal
- Head Style
- Flat chamfer
- Head Diameter
- 1.267 inches minimum and 1.312 inches maximum
- Head Height
- 0.610 inches minimum and 0.625 inches maximum
- Shoulder Diameter
- 0.9960 inches minimum and 0.9980 inches maximum overall
- Shoulder Length
- 0.995 inches minimum and 1.005 inches maximum overall
- Single Shear Strength
- 84000 pounds per square inch
- Internal Drive Style
- Hexagon
- End Item Identification
- 2350-016463121
- Nominal Thread Diameter
- 0.750 inches
- Width Across Flats
- 0.500 inches nominal
- Thread Quantity per Inch
- 10
- Minimum Tensile Strength
- 140000 pounds per square inch
- Chamfer Angle
- 30.0 degrees minimum and 45.0 degrees maximum
- Shoulder Shape
- Round overall
- Part Name Assigned BY Controlling Agency
- Screw, shoulder, socket head, hexagon alloy steel or nonferrous alloys, UNC-3A
- Material
- Steel overall
- Material Document and Classification
- NAS-21472 national std/spec single material response overall
- Surface Treatment
- Zinc overall
- Surface Treatment Document and Classification
- Astm B633, ty ii, cl fe/zn 5 national std/spec single treatment response overall
- Thread Series Designator
- UNC
- Specification/Standard Data
- 80205-NAS-51975 professional/industrial association standard
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.