5306-00-066-8539
Find complete technical information, availability, and procurement data for: 5306-00-066-8539
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An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes:setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.
0.218 inches minimum and 0.226 inches maximum head diameter, right-hand thread direction, 0.420 inches minimum and 0.500 inches maximum thread length, 0.470 inches minimum and 0.500 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
- 0.420 inches minimum and 0.500 inches maximum
- Fastener Length
- 0.470 inches minimum and 0.500 inches maximum
- Head Diameter
- 0.218 inches minimum and 0.226 inches maximum
- Head Height
- 0.134 inches minimum and 0.138 inches maximum
- Hole Diameter
- 0.036 inches nominal
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.138 inches
- Width Across Flats
- 0.109 inches minimum and 0.111 inches maximum
- Hole Quantity
- 1
- Hole Type
- drilled
- Thread Quantity Per Inch
- 40
- Minimum Tensile Strength
- 180000 pounds per square inch
- Hardness Rating
- 38.0 rockwell c minimum and 45.0 rockwell c maximum overall
- Minimum Yield Strength
- 155000 pounds per square inch
- Hole Configuration Style
- hexagon flats
- Material
- steel overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,ty 2,cl 3 fed spec all treatment responses overall
- Thread Series Designator
- unf
- Nondefinitive Spec/Std Data
- 4 type
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 |
|---|---|
| 311946 | Internal Wrenching Bolt |
| MS24675-3 | Internal Wrenching Bolt |
| MS24678-3 | Internal Wrenching Bolt |
| MS24678-3C | Internal Wrenching Bolt |
FAQs
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