5306-00-638-0925
Find complete technical information, availability, and procurement data for: 5306-00-638-0925
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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.
1.433 inches minimum and 1.443 inches maximum fastener length, double hexagon w/hole head style, right-hand thread direction, 3a thread class, 0.673 inches minimum and 0.703 inches maximum thread 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
- 0.673 inches minimum and 0.703 inches maximum
- Fastener Length
- 1.433 inches minimum and 1.443 inches maximum
- Head Style
- double hexagon w/hole
- Head Height
- 0.325 inches minimum and 0.345 inches maximum
- Width Between Flats
- 0.430 inches minimum and 0.439 inches maximum
- Extended Washer Diameter
- 0.639 inches minimum and 0.649 inches maximum
- Extended Washer Thickness
- 0.042 inches minimum and 0.052 inches maximum
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 0.740 inches minimum and 0.760 inches maximum
- Features Provided
- finished head
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 180000 pounds per square inch
- Hardness Rating
- 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
- 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 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 |
|---|---|---|
| 5306-00-573-0587 | 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 |
|---|---|
| S1635-92010-2 | Machine Bolt |
FAQs
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Does NSN 5306-00-638-0925 require demilitarization?
Does NSN 5306-00-638-0925 contain precious materials?
Does NSN 5306-00-638-0925 contain hazardous materials?
When the NSN 5306-00-638-0925 was assigned to the Federal Catalog?
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