EWSB22-8-21
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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.
0.490 inches minimum and 0.557 inches maximum thread length, right-hand thread direction, 1.812 inches minimum and 1.859 inches maximum fastener length, double hexagon head style, 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
- 0.490 inches minimum and 0.557 inches maximum
- Fastener Length
- 1.812 inches minimum and 1.859 inches maximum
- Head Style
- double hexagon
- Head Height
- 0.271 inches minimum and 0.291 inches maximum
- Width Between Flats
- 0.741 inches minimum and 0.752 inches maximum
- Grip Diameter
- 0.4982 inches minimum and 0.4991 inches maximum
- Nominal Thread Diameter
- 0.500 inches
- Grip Length
- 1.302 inches minimum and 1.322 inches maximum
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 220000 pounds per square inch
- Hardness Rating
- 46.0 rockwell c minimum and 50.0 rockwell c maximum overall
- Material
- steel comp h11 overall
- Material Document And Classification
- ams 6485 assn std single material response or ams6487 assn std single material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- nas 672 assn std single treatment response overall
- Thread Series Designator
- unjf
- Specification/Standard Data
- 26512-gb511b manufacturers standard
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 |
|---|---|
| EWSB22-8-21 | Shear Bolt |
| GB511B8-21 | Shear Bolt |
| GB511GG8-21A | Shear Bolt |
| VS2521-8F21 | Shear Bolt |
| VS2521F8-21 | Shear Bolt |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5306-00-150-3563?
Does the NSN 5306-00-150-3563 have a Schedule B code assigned?
Does NSN 5306-00-150-3563 require demilitarization?
Does NSN 5306-00-150-3563 contain precious materials?
Does NSN 5306-00-150-3563 contain hazardous materials?
When the NSN 5306-00-150-3563 was assigned to the Federal Catalog?
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