5306-00-821-4268
Find complete technical information, availability, and procurement data for: 5306-00-821-4268
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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.
3.400 inches minimum and 3.420 inches maximum fastener length, 2a thread class, hexagon head style, 0.890 inches minimum and 0.930 inches maximum 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.890 inches minimum and 0.930 inches maximum
- Fastener Length
- 3.400 inches minimum and 3.420 inches maximum
- Head Style
- hexagon
- Head Height
- 0.140 inches minimum and 0.160 inches maximum
- Width Between Flats
- 0.428 inches minimum and 0.440 inches maximum
- Hole Diameter
- 0.062 inches nominal
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 2.490 inches minimum and 2.510 inches maximum
- Hole Quantity
- 1
- Hole Type
- drilled
- Features Provided
- finished head
- Thread Quantity Per Inch
- 28
- Hardness Rating
- 26.0 rockwell c nominal overall
- Hole Configuration Style
- hexagon longitudinal hole
- Material
- steel corrosion resisting overall
- Surface Treatment
- passivate 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Below is a list of NSNs that have been officially superseded by this NSN: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 |
|---|---|---|
| 5306-00-150-3511 | No Name Available | 02/01/1982 |
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 |
|---|---|
| 416B139P8 | Machine Bolt |
FAQs
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Does the NSN 5306-00-821-4268 have a Schedule B code assigned?
Does NSN 5306-00-821-4268 require demilitarization?
Does NSN 5306-00-821-4268 contain precious materials?
Does NSN 5306-00-821-4268 contain hazardous materials?
When the NSN 5306-00-821-4268 was assigned to the Federal Catalog?
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