5305-01-133-3879
Find complete technical information, availability, and procurement data for: 5305-01-133-3879
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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.
flat countersunk head style, 0.986 inches minimum and 1.033 inches maximum fastener length, right-hand thread direction, 3a thread class, 0.351 inches minimum and 0.418 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
- 0.351 inches minimum and 0.418 inches maximum
- Fastener Length
- 0.986 inches minimum and 1.033 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.447 inches minimum and 0.507 inches maximum
- Grip Diameter
- 0.2483 inches minimum and 0.2492 inches maximum
- Shank Unthreaded Hole Diameter
- 0.071 inches minimum and 0.081 inches maximum first hole
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.615 inches minimum and 0.635 inches maximum
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 260000 pounds per square inch
- Hardness Rating
- 51.0 rockwell c minimum and 54.0 rockwell c maximum overall
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Distance From Head Largest Bearing Surface To Shank Hole Center
- 0.818 inches minimum and 0.850 inches maximum first hole
- Material
- steel comp h11 overall
- Material Document And Classification
- ams 6487 assn std single material response overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- mil-c-8837 type 2 class 2 mil spec single treatment response overall
- Thread Series Designator
- unjf
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| 79901HD-4-10 | Close Tolerance Screw |
| GB510CS4HD10 | Close Tolerance Screw |
| GB510DE410D | Close Tolerance Screw |
FAQs
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