74D240172-2007
View detailed technical data, stock status, and sourcing information for: 74D240172-2007
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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.
right-hand thread direction, knurled no. 1 head style, 0.690 inches nominal fastener length, 0.577 inches nominal thread length, 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
- 0.577 inches nominal
- Fastener Length
- 0.690 inches nominal
- Head Style
- knurled no. 1
- Head Diameter
- 0.620 inches nominal
- Head Height
- 0.190 inches nominal
- Point Length
- 0.060 inches nominal
- First Diameter From Head
- 0.298 inches minimum and 0.308 inches maximum
- Distance From Largest Bearing Surface Of Head To End Of First Diameter
- 0.113 inches nominal
- Point Style
- oval
- Nominal Thread Diameter
- 0.375 inches
- Thread Quantity Per Inch
- 32
- Externally Relieved Body Diameter Quantity
- 1
- Part Name Assigned By Controlling Agency
- navy special project
- Material
- steel comp 630 overall
- Material Document And Classification
- ams 5643 assn std single material response overall
- Thread Series Designator
- unjef
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 |
|---|---|
| 74D240172-2007 | Thumbscrew |
FAQs
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When the NSN 5305-01-165-5587 was assigned to the Federal Catalog?
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