5306-01-408-2790
Find complete technical information, availability, and procurement data for: 5306-01-408-2790
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An externally threaded fastener whose unthreaded portion is of a specified 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. 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. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.
3a thread class, 4.019 inches nominal fastener length, double hexagon head style, right-hand thread direction, 0.331 inches nominal 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
- 0.331 inches nominal
- Fastener Length
- 4.019 inches nominal
- Head Style
- double hexagon
- Head Height
- 0.187 inches nominal
- Width Between Flats
- 0.492 inches minimum and 0.502 inches maximum
- Grip Diameter
- 0.3110 inches minimum and 0.3120 inches maximum
- Shank Unthreaded Hole Diameter
- 0.076 inches nominal overall
- Nominal Thread Diameter
- 0.312 inches
- Grip Length
- 3.688 inches nominal
- Thread Quantity Per Inch
- 24
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 3.920 inches nominal first hole
- Material
- steel comp h11 overall
- Surface Treatment
- chromate and nickel and cadmium 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 |
|---|---|
| 11797A05D059 | Close Tolerance Bolt |
| STSBG000A05D059 | Close Tolerance Bolt |
FAQs
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