4674116 ITEM 12
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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.
1.630 inches nominal thread length, 2a thread class, right-hand thread direction, round w/wrench flats head style, 4.500 inches nominal fastener 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 1.630 inches nominal
- Fastener Length
- 4.500 inches nominal
- Head Style
- round w/wrench flats
- Head Diameter
- 2.000 inches nominal
- Head Height
- 0.790 inches nominal
- Width Between Flats
- 1.750 inches nominal
- First Diameter From Head
- 0.817 inches minimum and 0.830 inches maximum
- Distance From Largest Bearing Surface Of Head To End Of First Diameter
- 0.100 inches nominal
- Nominal Thread Diameter
- 1.000 inches
- Thread Quantity Per Inch
- 8
- Externally Relieved Body Diameter Quantity
- 1
- Point Chamfer Angle
- 45.0 degrees nominal
- Material
- nickel alloy overall
- Material Document And Classification
- qq-n-286,cl a fed spec single material response overall
- Thread Series Designator
- unc
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 |
|---|---|
| 4674116 ITEM 12 | Externally Relieved Body Bolt |
| 515-4674116 ITE M12 | Externally Relieved Body Bolt |
FAQs
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What is the FSCG of the NSN 5306-01-188-7582?
Does the NSN 5306-01-188-7582 have a Schedule B code assigned?
Does NSN 5306-01-188-7582 require demilitarization?
Does NSN 5306-01-188-7582 contain precious materials?
Does NSN 5306-01-188-7582 contain hazardous materials?
When the NSN 5306-01-188-7582 was assigned to the Federal Catalog?
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