571740-3H12
View detailed technical data, stock status, and sourcing information for: 571740-3H12
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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.
flat chamfer head style, 3a thread class, 0.667 inches minimum and 0.750 inches maximum thread length, right-hand thread direction, 0.750 inches nominal 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
- 0.667 inches minimum and 0.750 inches maximum
- Fastener Length
- 0.750 inches nominal
- Head Style
- flat chamfer
- Head Diameter
- 0.303 inches minimum and 0.312 inches maximum
- Head Height
- 0.185 inches minimum and 0.190 inches maximum
- Hole Diameter
- 0.046 inches nominal
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.190 inches
- Width Across Flats
- 0.156 inches minimum and 0.158 inches maximum
- Hole Quantity
- 6
- Hole Type
- drilled
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 38.0 rockwell c minimum and 43.0 rockwell c maximum overall
- Hole Configuration Style
- round internal hexagon
- Material
- steel comp 410 overall
- Material Document And Classification
- qq-s-763 fed spec single material response overall
- Thread Series Designator
- unc
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 |
|---|---|
| 571740-3H12 | Socket Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-562-6563?
Does the NSN 5305-00-562-6563 have a Schedule B code assigned?
Does NSN 5305-00-562-6563 require demilitarization?
Does NSN 5305-00-562-6563 contain precious materials?
Does NSN 5305-00-562-6563 contain hazardous materials?
When the NSN 5305-00-562-6563 was assigned to the Federal Catalog?
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Pricing
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