5305-01-022-1948
Find complete technical information, availability, and procurement data for: 5305-01-022-1948
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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.
2a thread class, 0.400 inches nominal thread length, 1.355 inches minimum and 1.395 inches maximum fastener length, right-hand thread direction, thumb no. 3 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.400 inches nominal
- Fastener Length
- 1.355 inches minimum and 1.395 inches maximum
- Head Style
- thumb no. 3
- Head Height
- 0.625 inches nominal
- Width Between Flats
- 1.000 inches nominal
- First Diameter From Head
- 0.188 inches nominal
- Distance From Largest Bearing Surface Of Head To End Of First Diameter
- 0.955 inches minimum and 0.995 inches maximum
- Point Style
- flat
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity Per Inch
- 20
- Special Features
- 0.062 in. @min 0.065 in. max dia hole drilled in each wing of head 0.062 in. min 0.065 in. max dia hole drilled in unthreaded shank 0.250 in. from bearing surface of head
- Material
- steel comp 1141 overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,ty 2,cl 3 fed spec single treatment response overall
- Thread Series Designator
- unc
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| 817847-1 | Thumbscrew |
FAQs
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