53B333-40
View detailed technical data, stock status, and sourcing information for: 53B333-40
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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.
0.329 inches minimum and 0.385 inches maximum head diameter, 2.890 inches minimum and 2.937 inches maximum fastener length, 3a thread class, 0.380 inches minimum and 0.447 inches maximum thread length, flat countersunk 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 Length
- 0.380 inches minimum and 0.447 inches maximum
- Fastener Length
- 2.890 inches minimum and 2.937 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.329 inches minimum and 0.385 inches maximum
- Grip Diameter
- 0.1885 inches minimum and 0.1895 inches maximum
- Grip Length
- 2.490 inches minimum and 2.510 inches maximum
- Countersink Angle
- 100.0 degrees nominal
- Surface Finish
- 32.0 microinches overall
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 |
|---|---|
| 53B333-40 | Close Tolerance Screw |
FAQs
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What is the FSCG of the NSN 5305-00-040-9879?
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Does NSN 5305-00-040-9879 contain hazardous materials?
When the NSN 5305-00-040-9879 was assigned to the Federal Catalog?
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