5306-01-343-7240
Find complete technical information, availability, and procurement data for: 5306-01-343-7240
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A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (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. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
0.380 inches nominal thread length, 3a thread class, right-hand thread direction, 0.568 inches nominal fastener length, hexagon 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
- 0.380 inches nominal
- Fastener Length
- 0.568 inches nominal
- Head Style
- hexagon
- Head Height
- 0.079 inches minimum and 0.089 inches maximum
- Width Between Flats
- 0.625 inches nominal
- Grip Diameter
- 0.2485 inches minimum and 0.2495 inches maximum
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.188 inches nominal
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 125000 pounds per square inch
- Surface Finish
- 32.0 microinches grip
- Special Features
- radome bevel-conical attachment to hex head,dia. min. 0.418 in. max. 0.428 in.,height nom. 0.354in.
- Material
- steel comp 4130 overall
- Material Document And Classification
- mil-s-6758 mil spec single material response overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,ty2 cl2 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 |
|---|---|
| 3D0105-2 | Close Tolerance Bolt |
FAQs
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