5305-00-078-9820
Find complete technical information, availability, and procurement data for: 5305-00-078-9820
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An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.
3a thread class, 2.840 inches nominal fastener length, 0.406 inches minimum thread length, flat countersunk head style, right-hand thread direction
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.406 inches minimum
- Fastener Length
- 2.840 inches nominal
- Head Style
- flat countersunk
- Head Diameter
- 0.375 inches minimum and 0.387 inches maximum
- Internal Drive Style
- cross recess type ii
- Nominal Thread Diameter
- 0.190 inches
- Thread Quantity Per Inch
- 32
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 40.0 rockwell c maximum
- Countersink Angle
- 100.0 degrees nominal
- Screw Material
- steel
- Screw Surface Treatment
- cadmium
- Thread Series Designator
- unf
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| Part Number | Name |
|---|---|
| NAS517-3-39 | Machine Screw |
FAQs
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