5306-00-639-1789
Find complete technical information, availability, and procurement data for: 5306-00-639-1789
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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.
4.110 inches minimum and 4.140 inches maximum fastener length, 0.639 inches minimum and 0.649 inches maximum head diameter, 0.662 inches minimum and 0.712 inches maximum thread length, 3a thread class, 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
- 0.662 inches minimum and 0.712 inches maximum
- Fastener Length
- 4.110 inches minimum and 4.140 inches maximum
- Head Diameter
- 0.639 inches minimum and 0.649 inches maximum
- Head Height
- 0.375 inches nominal
- Hole Diameter
- 0.055 inches nominal
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.375 inches
- Width Across Flats
- 0.313 inches minimum and 0.315 inches maximum
- Hole Quantity
- 4
- Hole Type
- drilled
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 34.0 rockwell c minimum and 40.0 rockwell c maximum overall
- Hole Configuration Style
- round longitudinal hole
- Material
- steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
- Material Document And Classification
- mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,ty 2 cl 2 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 |
|---|---|---|
| 5306-00-576-1210 | No Name Available | 07/01/1992 |
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 |
|---|---|
| MS20006H55 | Internal Wrenching Bolt |
FAQs
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Does NSN 5306-00-639-1789 require demilitarization?
Does NSN 5306-00-639-1789 contain precious materials?
Does NSN 5306-00-639-1789 contain hazardous materials?
When the NSN 5306-00-639-1789 was assigned to the Federal Catalog?
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