5305-01-159-2786
Find complete technical information, availability, and procurement data for: 5305-01-159-2786
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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.
3a thread class, 3.845 inches minimum and 3.875 inches maximum fastener length, 0.845 inches minimum and 0.875 inches maximum thread length, right-hand thread direction, flat chamfer 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
- 0.845 inches minimum and 0.875 inches maximum
- Fastener Length
- 3.845 inches minimum and 3.875 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.977 inches minimum and 1.000 inches maximum
- Head Height
- 0.490 inches minimum and 0.500 inches maximum
- Shoulder Diameter
- 0.746 inches minimum and 0.748 inches maximum first shoulder
- Shoulder Length
- 3.000 inches nominal first shoulder
- Single Shear Strength
- 16600 pounds per square inch
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.625 inches
- Width Across Flats
- 0.375 inches nominal
- Thread Quantity Per Inch
- 11
- Minimum Tensile Strength
- 140000 pounds per square inch
- Hardness Rating
- 32.0 rockwell c minimum and 43.0 rockwell c maximum overall
- Shoulder Shape
- round first shoulder
- Material
- steel overall
- Surface Treatment
- cadmium and chromate overall
- Surface Treatment Document And Classification
- qq-p-416,ty 2,cl 3 fed spec single treatment response 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 |
|---|---|
| MS51975-59 | Shoulder Screw |
FAQs
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