5305-00-273-5251
Find complete technical information, availability, and procurement data for: 5305-00-273-5251
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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, 0.895 inches maximum thread length, 0.865 inches minimum and 0.895 inches maximum fastener length, 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
- 0.895 inches maximum
- Fastener Length
- 0.865 inches minimum and 0.895 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.429 inches minimum and 0.438 inches maximum
- Head Height
- 0.306 inches minimum and 0.312 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.312 inches
- Width Across Flats
- 0.219 inches nominal
- Thread Quantity Per Inch
- 18
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 45.0 rockwell c maximum overall
- Minimum Yield Strength
- 130000 pounds per square inch
- Material
- steel overall
- Material Document And Classification
- 66 fed std single material response overall
- Thread Series Designator
- unc
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-021-7908 | No Name Available | 01/01/1963 |
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 |
|---|---|
| 194517 | Socket Head Cap Screw |
| 217908 | Socket Head Cap Screw |
| 308-14146 | Socket Head Cap Screw |
| MS35455-50 | Socket Head Cap Screw |
FAQs
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Does NSN 5305-00-273-5251 require demilitarization?
Does NSN 5305-00-273-5251 contain precious materials?
Does NSN 5305-00-273-5251 contain hazardous materials?
When the NSN 5305-00-273-5251 was assigned to the Federal Catalog?
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