5306-01-323-3779
Find complete technical information, availability, and procurement data for: 5306-01-323-3779
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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.
2.800 inches minimum and 2.830 inches maximum fastener length, 0.790 inches minimum and 0.840 inches maximum thread length, 3a thread class, right-hand thread direction, double hexagon extended washer head style
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
- 0.790 inches minimum and 0.840 inches maximum
- Fastener Length
- 2.800 inches minimum and 2.830 inches maximum
- Head Style
- double hexagon extended washer
- Head Height
- 0.464 inches nominal
- Width Between Flats
- 0.553 inches minimum and 0.564 inches maximum
- Extended Washer Diameter
- 0.820 inches minimum and 0.830 inches maximum
- Extended Washer Thickness
- 0.083 inches nominal
- Grip Diameter
- 0.4360 inches minimum and 0.4370 inches maximum
- Nominal Thread Diameter
- 0.438 inches
- Grip Length
- 1.990 inches minimum and 2.010 inches maximum
- Features Provided
- finished head
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 260000 pounds per square inch
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- steel comp h11 overall
- Surface Treatment
- cadmium overall
- Thread Series Designator
- unjf
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5306-00-143-9676 | No Name Available | 10/01/1991 |
Related Parts
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| Part Number | Name |
|---|---|
| 11699A07U032 | Shear Bolt |
| 68487-7-032 | Shear Bolt |
| LS5995-7-32 | Shear Bolt |
| STSBG003A07U032 | Shear Bolt |
| STSBG003A7V032 | Shear Bolt |
FAQs
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When the NSN 5306-01-323-3779 was assigned to the Federal Catalog?
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