5306-00-449-6445
Find complete technical information, availability, and procurement data for: 5306-00-449-6445
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An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.
flat chamfer head style, 4.000 inches nominal fastener length, 3a thread class, 1.125 inches minimum thread 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
- 1.125 inches minimum
- Fastener Length
- 4.000 inches nominal
- Head Style
- flat chamfer
- Head Diameter
- 0.562 inches nominal
- Head Height
- 0.344 inches nominal
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 2.875 inches nominal
- Features Provided
- unfinished head
- Thread Quantity Per Inch
- 24
- Hardness Rating
- 35.0 rockwell c minimum and 40.0 rockwell c maximum overall
- Material
- steel overall
- Material Document And Classification
- qq-s-624 fed spec single material response overall
- Thread Series Designator
- unf
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5306-00-206-1568 | 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 |
|---|---|
| 3662734 | Machine Bolt |
FAQs
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When the NSN 5306-00-449-6445 was assigned to the Federal Catalog?
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