5306-01-138-7731
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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, 1.016 inches minimum and 1.066 inches maximum thread length, 2.776 inches minimum and 2.806 inches maximum fastener length, dished hexagon 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
- 1.016 inches minimum and 1.066 inches maximum
- Fastener Length
- 2.776 inches minimum and 2.806 inches maximum
- Head Style
- dished hexagon
- Head Height
- 0.375 inches minimum and 0.390 inches maximum
- Width Between Flats
- 1.052 inches minimum and 1.065 inches maximum
- Grip Diameter
- 0.7476 inches minimum and 0.7482 inches maximum
- Nominal Thread Diameter
- 0.750 inches
- Grip Length
- 1.740 inches minimum and 1.760 inches maximum
- Thread Quantity Per Inch
- 16
- Minimum Tensile Strength
- 160000 pounds per square inch
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- iron alloy 660 overall
- Material Document And Classification
- ams5731 assn std single material response or ams5737 fed std single material response overall
- Thread Series Designator
- unjf
- Specification/Standard Data
- 80205-nas6712 professional/industrial association standard
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 |
|---|---|
| NAS6712U28 | Shear Bolt |
FAQs
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