202-15520-6-21A
View detailed technical data, stock status, and sourcing information for: 202-15520-6-21A
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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.
right-hand thread direction, 0.374 inches minimum and 0.441 inches maximum thread length, double hexagon head style, 3a thread class, 1.696 inches minimum and 1.743 inches maximum fastener 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
- 0.374 inches minimum and 0.441 inches maximum
- Fastener Length
- 1.696 inches minimum and 1.743 inches maximum
- Head Style
- double hexagon
- Head Height
- 0.210 inches nominal
- Width Between Flats
- 0.553 inches minimum and 0.564 inches maximum
- Grip Diameter
- 0.3733 inches minimum and 0.3742 inches maximum
- Shank Unthreaded Hole Diameter
- 0.106 inches nominal first hole
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 1.302 inches minimum and 1.322 inches maximum
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 220000 pounds per square inch
- Hardness Rating
- 46.0 rockwell c minimum and 50.0 rockwell c maximum overall
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 1.563 inches minimum and 1.595 inches maximum first hole
- Material
- steel overall
- Material Document And Classification
- m-107,standard pressed steel co mfr ref 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
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 |
|---|---|
| 202-15520-6-21A | Shear Bolt |
| AIC220-6-21 | Shear Bolt |
| BM55132-6-21 | Shear Bolt |
| C699-6-21 | Shear Bolt |
| EWSB22-6-21 | Shear Bolt |
| VS2521-6F21S | Shear Bolt |
FAQs
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Does NSN 5306-00-487-4891 contain precious materials?
Does NSN 5306-00-487-4891 contain hazardous materials?
When the NSN 5306-00-487-4891 was assigned to the Federal Catalog?
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