S-95868A270 4-40 x 11/16" Plastic Socket Head Screws

Plastic Socket Head Screws

0021FA00162 Plastic Socket Head Screws
0021FA00162 Plastic Socket Head Screws

Image may differ from product. See technical specification for details.

Part No.
Part No. 0021FA00162
Equivalent to mcmaster :
95868A270

Basic Information

System of Measurement Inch

Head Parameters

Head Type Socket
Head Diameter 0.183"
Head Height 0.112"
Socket Head Profile Standard

Dimensions

Length 11/16"

Thread Parameters

Thread Type UNC
Thread Size 4-40
Thread Diameter 0.112"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 2A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 3/32"

Material & Strength

Material Nylon Plastic
Hardness Not Rated

Temperature & Environment

Temperature Range -40° to 140° F
RoHS Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
Price available upon request. Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
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Key Features & Benefits at a Glance

  • Superior corrosion resistance ensures long-lasting performance in harsh environments without rust or degradation
  • Excellent electrical insulation properties prevent current leakage and short circuits in sensitive electronic applications
  • Wide temperature tolerance from -40° to 140°F maintains structural integrity across diverse operating conditions
  • Precision Class 2A thread fit guarantees consistent engagement and reliable fastening in assembly operations
  • Standard hex socket drive provides secure tool engagement and prevents stripping during installation
  • RoHS 3 compliance meets international environmental standards for hazardous substance restrictions
  • Lightweight nylon construction reduces overall assembly weight while maintaining mechanical strength

Professional Applications & Engineering Value

This 4-40 UNC nylon plastic socket head cap screw delivers critical engineering solutions where metal fasteners fail. The nylon material provides inherent corrosion resistance, eliminating galvanic compatibility issues in mixed-material assemblies and offering perfect electrical insulation for electronic enclosures and circuit board mounting. The coarse UNC thread with Class 2A fit ensures rapid installation and vibration resistance in plastic components, while the standard hex drive prevents cam-out during high-torque applications. Ideal for electrical equipment, automotive components, and consumer electronics, this fastener maintains dimensional stability across its -40° to 140°F operating range, solving thermal expansion challenges in temperature-fluctuating environments.

Specification Summary & Compliance

This inch-system fastener features 4-40 UNC coarse threads with Class 2A thread fit tolerance for precision engagement. Manufactured to standard socket head cap screw dimensions with 3/32" hex drive and 11/16" length. Fully compliant with RoHS 3 (2015/863/EU) regulations, containing no restricted hazardous substances. The right-hand thread direction and fully threaded design provide consistent fastening performance throughout the entire screw length.

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