5306H21-001
View detailed technical data, stock status, and sourcing information for: 5306H21-001
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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.
3a thread class, right-hand thread direction, 3.375 inches nominal fastener length, 0.625 inches minimum thread length, hexagon head style
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
- 0.625 inches minimum
- Fastener Length
- 3.375 inches nominal
- Head Style
- hexagon
- Head Height
- 0.422 inches nominal
- Width Between Flats
- 0.562 inches nominal
- Hole Diameter
- 0.062 inches nominal
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 2.720 inches minimum and 2.800 inches maximum
- Hole Quantity
- 6
- Hole Type
- drilled
- Features Provided
- finished head
- Thread Quantity Per Inch
- 24
- Hardness Rating
- 32.0 rockwell c minimum and 36.0 rockwell c maximum overall
- Hole Configuration Style
- hexagon longitudinal hole
- Material
- steel comp 8735 or steel comp 4140 overall
- Material Document And Classification
- ams 6320 assn std 1st material response or ams 6382 assn std 2nd material response overall
- Surface Treatment
- cadmium overall
- Thread Series Designator
- unf
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 |
|---|---|
| 2057017 | Machine Bolt |
| 2057D17 | Machine Bolt |
| 5306H21-001 | Machine Bolt |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5306-00-147-2448?
Does the NSN 5306-00-147-2448 have a Schedule B code assigned?
Does NSN 5306-00-147-2448 require demilitarization?
Does NSN 5306-00-147-2448 contain precious materials?
Does NSN 5306-00-147-2448 contain hazardous materials?
When the NSN 5306-00-147-2448 was assigned to the Federal Catalog?
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