5305-00-889-6861
Find complete technical information, availability, and procurement data for: 5305-00-889-6861
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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.
0.391 inches minimum thread length, 3a thread class, right-hand thread direction, flat countersunk head style, 0.703 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
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.391 inches minimum
- Fastener Length
- 0.703 inches nominal
- Head Style
- flat countersunk
- Head Diameter
- 0.704 inches minimum and 0.762 inches maximum
- Internal Drive Style
- torque set
- Nominal Thread Diameter
- 0.375 inches
- Thread Quantity Per Inch
- 24
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell c minimum and 40.0 rockwell c maximum
- Countersink Angle
- 100.0 degrees nominal
- Screw Material
- steel
- Screw Surface Treatment
- cadmium and chromate or zinc and chromate
- Thread Series Designator
- unf
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|---|---|
| NAS1156-5 | Machine Screw |
FAQs
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