5306-00-285-5521
Find complete technical information, availability, and procurement data for: 5306-00-285-5521
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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.
right-hand thread direction, hexagon head style, 0.740 inches minimum and 0.820 inches maximum thread length, 3a thread class, 2.365 inches minimum and 2.385 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
- 0.740 inches minimum and 0.820 inches maximum
- Fastener Length
- 2.365 inches minimum and 2.385 inches maximum
- Head Style
- hexagon
- Head Height
- 0.209 inches minimum and 0.229 inches maximum
- Width Between Flats
- 0.553 inches minimum and 0.564 inches maximum
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 1.565 inches minimum and 1.625 inches maximum
- Features Provided
- finished head
- Thread Quantity Per Inch
- 24
- Hardness Rating
- 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
- Surface Finish
- 32.0 microinches threads
- Surface Finish
- 63.0 microinches bearing surface of head
- Material
- steel comp 8740 overall
- Material Document And Classification
- ams 6322 assn std single material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- ams 2400 assn std single treatment 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Below is a list of NSNs that have been officially superseded by this NSN: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 |
|---|---|---|
| 5306-00-269-6973 | 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 |
|---|---|
| AN101327 | Machine Bolt |
FAQs
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Does NSN 5306-00-285-5521 require demilitarization?
Does NSN 5306-00-285-5521 contain precious materials?
Does NSN 5306-00-285-5521 contain hazardous materials?
When the NSN 5306-00-285-5521 was assigned to the Federal Catalog?
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