5306-01-624-9371
Find complete technical information, availability, and procurement data for: 5306-01-624-9371
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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.
0.425 inches nominal thread length, 1.9875 inches nominal fastener length, right-hand thread direction, 3a thread class, hexagon 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
- 0.425 inches nominal
- Fastener Length
- 1.9875 inches nominal
- Head Style
- hexagon
- Head Height
- 0.156 inches nominal
- Width Between Flats
- 0.492 inches minimum and 0.502 inches maximum
- Shank Unthreaded Hole Diameter
- 0.076 inches nominal first hole
- End Item Identification
- f-15sa
- Nominal Thread Diameter
- 0.2500 inches
- Thread Quantity Per Inch
- 28
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 1.8095 inches nominal first hole
- Material
- iron alloy 660 overall
- Surface Treatment
- passivate overall
- Thread Series Designator
- unjf
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| ST3M494-4D25 | Shoulder Bolt |
FAQs
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