5305-01-286-2637
Find complete technical information, availability, and procurement data for: 5305-01-286-2637
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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.
hexagon head style, right-hand thread direction, 2a thread class, 2.440 inches minimum and 2.500 inches maximum fastener length, 1.125 inches nominal 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
- 2a
- Thread Direction
- right-hand
- Thread Length
- 1.125 inches nominal
- Fastener Length
- 2.440 inches minimum and 2.500 inches maximum
- Head Style
- hexagon
- Head Height
- 0.272 inches minimum and 0.291 inches maximum
- Width Between Flats
- 0.612 inches minimum and 0.625 inches maximum
- Nominal Thread Diameter
- 0.438 inches
- Thread Quantity Per Inch
- 20
- Minimum Tensile Strength
- 120000 pounds per square inch
- Hardness Rating
- 23.0 rockwell c minimum and 34.0 rockwell c maximum overall
- Part Name Assigned By Controlling Agency
- screw,cap,hexagon head
- Material
- steel overall
- Material Document And Classification
- sae j429 gr5 assn std single material response overall
- Surface Treatment
- zinc and chromate overall
- Surface Treatment Document And Classification
- astm b633 ty2,fe/zn 13 assn std single treatment response overall
- Thread Series Designator
- unf
- Nondefinitive Spec/Std Data
- 1 type and 5 grade
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 |
|---|---|
| 7/16-20UNF-2A X 2-1/2 IN LG STL | Hexagon Head Cap Screw |
FAQs
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