5306-01-239-1320
Find complete technical information, availability, and procurement data for: 5306-01-239-1320
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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, 3.113 inches minimum and 3.143 inches maximum fastener length, 3a thread class, dished hexagon head style, 0.456 inches minimum and 0.486 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
- 0.456 inches minimum and 0.486 inches maximum
- Fastener Length
- 3.113 inches minimum and 3.143 inches maximum
- Head Style
- dished hexagon
- Head Height
- 0.219 inches minimum and 0.234 inches maximum
- Width Between Flats
- 0.679 inches minimum and 0.690 inches maximum
- Grip Diameter
- 0.4363 inches minimum and 0.4370 inches maximum
- Shank Unthreaded Hole Diameter
- 0.106 inches minimum and 0.116 inches maximum first hole
- Nominal Thread Diameter
- 0.437 inches
- Grip Length
- 2.240 inches minimum and 2.260 inches maximum
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 40.0 rockwell c maximum fastener
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 2.571 inches minimum and 2.631 inches maximum first hole
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Surface Finish
- 63.0 microinches bearing surface of head
- Special Features
- assembly area extended at threaded end,0.402 min. and 0.412 max. length 0.369 min. and 0.372 max. diameter; assembly contains retainer pawl,material cres per ams 5643,rockwell hardness 35.0 min. and 39.0 max.,finish blast per bac 5951,passivate per qq-p-35,dry film lube per.mil-l-8937; spring,material cres per ams 5673,rockwell hardness 48.0 min.,finish passivate per qq-p-35; pin and plugs,material 303 cres per astm a 582,finish passivate per qq-p-35
- Material
- steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150 fastener
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,type 2 class 3 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 |
|---|---|
| BACB30ST7-36 | Shear Bolt |
FAQs
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