5305-01-049-2171
Find complete technical information, availability, and procurement data for: 5305-01-049-2171
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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.
0.375 inches minimum fastener length, right-hand thread direction, 0.375 inches maximum thread length, headless (setscrew) head style, 3a thread class
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
- 0.375 inches maximum
- Fastener Length
- 0.375 inches minimum
- Head Style
- headless (setscrew)
- Point Style
- cup
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.312 inches
- Width Across Flats
- 0.1562 inches minimum and 0.1582 inches maximum
- Thread Quantity Per Inch
- 24
- Hardness Rating
- 46.0 rockwell c minimum and 63.0 rockwell c maximum overall
- Material
- steel comp 4037 or steel comp 4150 or steel comp 8630 or steel comp 8740 overall
- Material Document And Classification
- sae assn std all material responses overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 2,class 2 fed spec all treatment responses overall
- Thread Series Designator
- unf
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 |
|---|---|
| AN565D524H6 | Setscrew |
FAQs
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When the NSN 5305-01-049-2171 was assigned to the Federal Catalog?
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