5305-00-947-4278
Find complete technical information, availability, and procurement data for: 5305-00-947-4278
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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.
0.516 inches minimum and 0.563 inches maximum fastener length, 0.377 inches minimum and 0.516 inches maximum thread length, right-hand thread direction, 3a thread class, pan 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
- 0.377 inches minimum and 0.516 inches maximum
- Fastener Length
- 0.516 inches minimum and 0.563 inches maximum
- Head Style
- pan
- Head Diameter
- 0.357 inches minimum and 0.373 inches maximum
- Head Height
- 0.122 inches minimum and 0.133 inches maximum
- Internal Drive Style
- cross recess type 1
- Nominal Thread Diameter
- 0.190 inches
- Thread Quantity Per Inch
- 32
- Minimum Tensile Strength
- 62000 pounds per square inch
- Screw Material
- aluminum alloy 2024
- Screw Material Document And Classification
- qq-a-225/6 fed spec single material response or mil-w-7986 mil spec single material response
- Screw Surface Treatment
- anodize
- Screw Surface Treatment Document And Classification
- mil-a-8625 mil spec single treatment response
- Thread Series Designator
- unf
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5305-00-961-4557 | No Name Available | 12/01/1982 |
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 |
|---|---|
| 5305PL0759437 | Machine Screw |
| MS27039DD1-08 | Machine Screw |
FAQs
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What is the FSCG of the NSN 5305-00-947-4278?
Does the NSN 5305-00-947-4278 have a Schedule B code assigned?
Does NSN 5305-00-947-4278 require demilitarization?
Does NSN 5305-00-947-4278 contain precious materials?
Does NSN 5305-00-947-4278 contain hazardous materials?
When the NSN 5305-00-947-4278 was assigned to the Federal Catalog?
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