5306-00-943-8186
Find complete technical information, availability, and procurement data for: 5306-00-943-8186
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A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.
1.031 inches nominal fastener length, hexagon head style, 3a thread class, right-hand thread direction, 0.971 inches minimum and 1.001 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
- 0.971 inches minimum and 1.001 inches maximum
- Fastener Length
- 1.031 inches nominal
- Head Style
- hexagon
- Head Height
- 0.271 inches minimum and 0.291 inches maximum
- Width Between Flats
- 0.552 inches minimum and 0.568 inches maximum
- Locking Feature
- pellet threads
- Nominal Thread Diameter
- 0.375 inches
- Features Provided
- finished head
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
- Material
- steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037 overall
- Material Document And Classification
- mil-s-6050 mil spec 1st material response or mil-s-6098 mil spec 2nd material response or mil-s-6758 mil spec 3rd material response or ams 6300 assn std 4th material response 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 |
|---|---|---|
| 5306-00-061-9751 | No Name Available | 08/01/2000 |
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 |
|---|---|
| NKN566-33 | Machine Bolt |
FAQs
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When the NSN 5306-00-943-8186 was assigned to the Federal Catalog?
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