5306-01-299-6593
Find complete technical information, availability, and procurement data for: 5306-01-299-6593
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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, 3a thread class, 4.749 inches nominal fastener length, double hexagon w/hole head style, 1.489 inches minimum and 1.509 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
- 1.489 inches minimum and 1.509 inches maximum
- Fastener Length
- 4.749 inches nominal
- Head Style
- double hexagon w/hole
- Head Height
- 0.923 inches nominal
- Width Between Flats
- 1.0625 inches nominal
- Extended Washer Diameter
- 1.615 inches minimum and 1.625 inches maximum
- Extended Washer Thickness
- 0.222 inches nominal
- Grip Diameter
- 0.9980 inches minimum and 0.9990 inches maximum
- Nominal Thread Diameter
- 1.000 inches
- Grip Length
- 3.240 inches minimum and 3.260 inches maximum
- Thread Quantity Per Inch
- 12
- Minimum Tensile Strength
- 180000 pounds per square inch
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Special Features
- countersunk hole in point 60 degrees; 0.250 in. max dia; 0.260 in. lg
- Material
- steel comp 4140 or steel comp e4340 or steel comp 8740 or steel comp 6150 overall
- Material Document And Classification
- mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response or mil-s-8503 mil spec 4th material response overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416 ty 2 cl 2 fed spec single treatment response overall
- Thread Series Designator
- unjf
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 |
|---|---|
| MS21250-16052 | Shear Bolt |
FAQs
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