5306-00-052-6971
Find complete technical information, availability, and procurement data for: 5306-00-052-6971
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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.
0.515 inches minimum and 0.594 inches maximum thread length, hexagon head style, right-hand thread direction, 2.781 inches minimum and 2.828 inches maximum fastener length, 3a thread class
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
- 0.515 inches minimum and 0.594 inches maximum
- Fastener Length
- 2.781 inches minimum and 2.828 inches maximum
- Head Style
- hexagon
- Head Height
- 0.266 inches minimum and 0.297 inches maximum
- Width Between Flats
- 0.492 inches minimum and 0.501 inches maximum
- Hole Diameter
- 0.070 inches nominal
- Nominal Thread Diameter
- 0.312 inches
- Grip Length
- 2.234 inches minimum and 2.266 inches maximum
- Hole Quantity
- 6
- Hole Type
- drilled
- Features Provided
- finished head
- Thread Quantity Per Inch
- 18
- Minimum Tensile Strength
- 125000 pounds per square inch
- Hardness Rating
- 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
- Hole Configuration Style
- hexagon longitudinal hole
- Material
- steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037 overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 2 cl 3 fed spec single treatment 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Below is a list of NSNs that have been officially superseded by this NSN: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 |
|---|---|---|
| 5306-00-150-9240 | 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 |
|---|---|
| MS20074-05-26 | Machine Bolt |
FAQs
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Does NSN 5306-00-052-6971 require demilitarization?
Does NSN 5306-00-052-6971 contain precious materials?
Does NSN 5306-00-052-6971 contain hazardous materials?
When the NSN 5306-00-052-6971 was assigned to the Federal Catalog?
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