S-93762A130 0.386" ID x 0.875" OD Reinforcing Sleeve Washers

Reinforcing Sleeve Washers

1289FA00004 Reinforcing Sleeve Washers
1289FA00004 Reinforcing Sleeve Washers

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

Part No.
Part No. 1289FA00004
Equivalent to mcmaster :
93762A130

Basic Information

System of Measurement Inch
Washer Type Sleeve

Dimension Parameters

ID 0.386"
OD 0.875"
Thickness 0.120"
Overall Height 0.328"

Material & Strength Parameters

Material Black-Oxide Steel
Hardness Rockwell C35

Installation & Application Parameters

For Screw Size 3/8"

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/14/2023, 235 SVHC) Compliant

Geometric Parameters

Sleeve OD 0.446"
Sleeve Height 0.208"
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Enhanced corrosion resistance from black-oxide steel coating, extending service life in harsh industrial environments
  • Precise dimensional fit with 0.386" ID and 0.446" sleeve OD ensuring secure seating on 3/8" fasteners
  • Superior load distribution through 0.875" OD design, minimizing surface stress and material deformation
  • Exceptional mechanical strength with Rockwell C35 hardness rating for reliable performance under heavy loads
  • Optimized sleeve design with 0.208" height providing improved alignment and vibration resistance
  • Full regulatory compliance with RoHS 3 and REACH standards, ensuring safe use across global markets
  • Robust construction combining 0.120" thickness and 0.328" overall height for maximum durability

Professional Applications & Engineering Value

This black-oxide steel sleeve washer delivers critical engineering solutions for demanding industrial applications where corrosion resistance and precise alignment are paramount. The sleeve washer design provides superior anti-rotation properties and distributes clamping forces evenly across mating surfaces, preventing joint loosening in high-vibration environments. The black-oxide surface treatment creates a protective barrier against moisture and chemical exposure, significantly extending component life in automotive, machinery, and outdoor equipment applications. Engineered with Rockwell C35 hardness, this washer maintains dimensional stability under extreme pressure while the precision inch dimensions ensure perfect compatibility with 3/8" fasteners in assembly operations.

Specification Summary & Compliance

This precision sleeve washer features exact inch dimensions including 0.386" ID, 0.875" OD, and 0.120" thickness with a sleeve OD of 0.446" and sleeve height of 0.208". Manufactured from black-oxide steel with Rockwell C35 hardness for consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety standards for industrial components.

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