5306-00-286-1349
Find complete technical information, availability, and procurement data for: 5306-00-286-1349
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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, 3a thread class, crowned hexagon head style, 0.688 inches minimum and 0.719 inches maximum thread length, 0.750 inches nominal 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
- 0.688 inches minimum and 0.719 inches maximum
- Fastener Length
- 0.750 inches nominal
- Head Style
- crowned hexagon
- Head Height
- 0.172 inches nominal
- Width Between Flats
- 0.500 inches nominal
- Nominal Thread Diameter
- 0.312 inches
- Grip Length
- 0.031 inches minimum and 0.062 inches maximum
- Features Provided
- finished head
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 125000 pounds per square inch
- Hardness Rating
- 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
- 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 and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 2,class 3 fed spec 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Below is a list of NSNs that have been officially superseded by this NSN: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 |
|---|---|---|
| 5306-00-638-8187 | No Name Available | 01/01/1960 |
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 |
|---|---|
| NAS428-5-6 | Machine Bolt |
| NAS428-5A6 | Machine Bolt |
FAQs
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Does NSN 5306-00-286-1349 require demilitarization?
Does NSN 5306-00-286-1349 contain precious materials?
Does NSN 5306-00-286-1349 contain hazardous materials?
When the NSN 5306-00-286-1349 was assigned to the Federal Catalog?
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