5305-01-053-2879
Find complete technical information, availability, and procurement data for: 5305-01-053-2879
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An externally threaded fastener whose unthreaded portion is of a specified 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. 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. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.
hexagon head style, 1.000 inches minimum and 1.250 inches maximum thread length, right-hand thread direction, 2a thread class, 1.480 inches minimum and 1.520 inches maximum 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 1.000 inches minimum and 1.250 inches maximum
- Fastener Length
- 1.480 inches minimum and 1.520 inches maximum
- Head Style
- hexagon
- Head Height
- 0.320 inches minimum and 0.360 inches maximum
- Width Between Flats
- 0.552 inches minimum and 0.562 inches maximum
- Hole Diameter
- 0.106 inches nominal
- Nominal Thread Diameter
- 0.375 inches
- Hole Quantity
- 3
- Hole Type
- drilled
- Thread Quantity Per Inch
- 16
- Hardness Rating
- 20.0 rockwell c minimum and 25.0 rockwell c maximum overall
- Hole Configuration Style
- hexagon longitudinal hole
- Material
- steel or steel comp 1040 or steel comp 1045 overall
- Surface Treatment
- cadmium and chromate or zinc and chromate overall
- Thread Series Designator
- unc
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 |
|---|---|
| 12259395 | Hexagon Head Cap Screw |
FAQs
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