5306-00-124-3255
Find complete technical information, availability, and procurement data for: 5306-00-124-3255
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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.
hexagon head style, 3a thread class, 1.062 inches minimum and 1.141 inches maximum thread length, 4.140 inches minimum and 4.187 inches maximum fastener 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
- 1.062 inches minimum and 1.141 inches maximum
- Fastener Length
- 4.140 inches minimum and 4.187 inches maximum
- Head Style
- hexagon
- Head Height
- 0.390 inches minimum and 0.422 inches maximum
- Width Between Flats
- 1.053 inches minimum and 1.066 inches maximum
- Hole Diameter
- 0.070 inches nominal
- Nominal Thread Diameter
- 0.750 inches
- Grip Length
- 3.046 inches minimum and 3.078 inches maximum
- Hole Quantity
- 1
- Hole Type
- drilled
- Features Provided
- finished head
- Thread Quantity Per Inch
- 16
- 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 flats
- Material
- steel comp 4037 or steel comp 4130 or steel comp 8630 or steel comp 8735 or steel comp 8740 or steel comp 4140 overall
- Material Document And Classification
- mil-b-6812 mil spec all material responses overall
- Surface Treatment
- cadmium 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Below is a list of NSNs that have been officially superseded by this NSN: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 |
|---|---|---|
| 5306-00-722-8683 | No Name Available | 05/01/1989 |
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 |
|---|---|
| AN12H40A | Machine Bolt |
FAQs
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Does the NSN 5306-00-124-3255 have a Schedule B code assigned?
Does NSN 5306-00-124-3255 require demilitarization?
Does NSN 5306-00-124-3255 contain precious materials?
Does NSN 5306-00-124-3255 contain hazardous materials?
When the NSN 5306-00-124-3255 was assigned to the Federal Catalog?
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