5305-01-068-1869
Find complete technical information, availability, and procurement data for: 5305-01-068-1869
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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.
headless (setscrew) head style, 0.365 inches minimum and 0.385 inches maximum fastener length, 3a thread class, right-hand thread direction, 0.365 inches minimum and 0.385 inches maximum thread 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
- 0.365 inches minimum and 0.385 inches maximum
- Fastener Length
- 0.365 inches minimum and 0.385 inches maximum
- Head Style
- headless (setscrew)
- Locking Feature
- patch or pellet or strip threads
- Point Style
- cup
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.250 inches
- Width Across Flats
- 0.125 inches nominal
- Thread Quantity Per Inch
- 28
- Hardness Rating
- 45.0 rockwell c minimum and 53.0 rockwell c maximum overall
- Material
- steel 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
- unf
- Nondefinitive Spec/Std Data
- 1 type and 4 style
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-944-5921 | No Name Available | 04/01/1986 |
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 |
|---|---|
| MS51964-134 | Setscrew |
FAQs
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Does NSN 5305-01-068-1869 contain precious materials?
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When the NSN 5305-01-068-1869 was assigned to the Federal Catalog?
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