S-98148A174 DIN 6319 Male and Female Leveling Washers

Male and Female Leveling Washers

1351FA00055 Male and Female Leveling Washers
1351FA00055 Male and Female Leveling Washers

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

Part No.
Part No. 1351FA00055
Equivalent to mcmaster :
98148A174

Basic Information

System of Measurement Metric
Washer Type Spherical
Specifications Met DIN 6319
Related Products Replacement Male Washers

Dimension Parameters

Male ID (A) 21 mm
Male OD (B) 36 mm
Female ID (C) 23.2 mm
Female OD (D) 36.0 mm
Thickness (E) 11.4 to 11.9 mm

Material & Strength Parameters

Material Steel
Hardness Not Rated

Installation & Application Parameters

For Screw Size M20

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) compliant with exemption 6(a) - Lead as an alloying element in steel
REACH REACH (EC 1907/2006) (06/14/2023, 235 SVHC) Compliant

Geometric Parameters

Male Radius 27 mm
Maximum Angle of Correction
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • ±3° angular correction capability compensates for misalignment in bolted connections, reducing stress concentrations and extending joint life
  • DIN 6319 compliance ensures dimensional accuracy and interchangeability with existing metric fastener systems
  • Durable steel construction provides reliable performance in demanding industrial environments with consistent load distribution
  • 21mm male ID/36mm OD configuration offers precise compatibility with M20 screw sizes while maintaining structural integrity
  • RoHS 3 and REACH compliance meets stringent environmental regulations for global industrial applications
  • Spherical design enables smooth articulation under load, preventing premature fastener failure
  • 11.4-11.9mm thickness range provides optimal bearing surface for uniform pressure distribution

Professional Applications & Engineering Value

This M20 spherical washer addresses critical alignment challenges in heavy machinery, structural steelwork, and precision equipment assembly. The steel construction combined with DIN 6319 specifications ensures reliable performance where angular misalignment between contact surfaces would otherwise cause joint instability or bolt fatigue. The ±3° correction capability compensates for manufacturing tolerances and settling in structural applications, making it ideal for construction equipment, bridge bearings, and industrial machinery where precise load transfer is essential. The metric spherical washer design maintains bolt preload integrity while accommodating minor angular variations, significantly reducing maintenance requirements in vibration-prone environments.

Specification Summary & Compliance

Manufactured to DIN 6319 standards with male ID 21mm, male OD 36mm, female ID 23.2mm, female OD 36.0mm, and thickness 11.4-11.9mm. Compliant with RoHS 3 (2015/863/EU) with exemption 6(a) for lead as steel alloying element and REACH (EC 1907/2006) regulations. Designed specifically for M20 screw applications with maximum 3° angular correction capability, ensuring precise dimensional tolerances for industrial fastener systems.

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