5306-00-558-3646
Find complete technical information, availability, and procurement data for: 5306-00-558-3646
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This item was cancelled on: 07/01/2025.
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.
3a thread class, right-hand thread direction, 0.333 inches minimum and 0.400 inches maximum thread length, hexagon head style, 3.406 inches minimum and 3.453 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
- 0.333 inches minimum and 0.400 inches maximum
- Fastener Length
- 3.406 inches minimum and 3.453 inches maximum
- Head Style
- hexagon
- Head Height
- 0.172 inches minimum and 0.203 inches maximum
- Width Between Flats
- 0.552 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
- Single Shear Strength
- 10500 pounds per square inch
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 3.052 inches minimum and 3.072 inches maximum
- 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
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 3.266 inches minimum and 3.297 inches maximum first hole
- Material
- steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
- Material Document And Classification
- mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,ty 2,class 3 fed spec single treatment response overall
- Thread Series Designator
- unf
- Specification/Standard Data
- 80205-nas464 professional/industrial association standard
FAQs
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