5305-00-013-8277
Find complete technical information, availability, and procurement data for: 5305-00-013-8277
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An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.
3a thread class, 0.770 inches maximum thread length, flat chamfer head style, right-hand thread direction, 0.740 inches minimum and 0.770 inches maximum fastener length
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
- 0.770 inches maximum
- Fastener Length
- 0.740 inches minimum and 0.770 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.615 inches minimum and 0.625 inches maximum
- Head Height
- 0.430 inches minimum and 0.438 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.438 inches
- Width Across Flats
- 0.312 inches minimum and 0.315 inches maximum
- Thread Quantity Per Inch
- 20
- Hardness Rating
- 36.0 rockwell c minimum and 43.0 rockwell c maximum overall
- Material
- steel overall
- Thread Series Designator
- unf
- Nondefinitive Spec/Std Data
- 6 type
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 4138277 | Socket Head Cap Screw |
FAQs
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