S-91525A361 0.281" ID x 0.625" OD Oversized Washers

Oversized Washers

1248FA00400 Oversized Washers
1248FA00400 Oversized Washers

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

Part No.
Part No. 1248FA00400
Equivalent to mcmaster :
91525A361

Basic Information

System of Measurement Inch
Washer Type Flat

Dimension Parameters

ID 0.281"
OD 0.625"
Thickness 0.170-0.200"

Material & Strength Parameters

Material 316 Stainless Steel
Hardness Not Rated

Installation & Application Parameters

For Screw Size 1/4"

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/10/2022, 224 SVHC) Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance for extended service life in harsh environments, thanks to 316 stainless steel construction
  • Precise dimensional fit with 0.281" ID ensuring reliable performance with 1/4" screws and preventing loosening
  • Optimal load distribution provided by the 0.625" OD, minimizing surface damage and material stress
  • Consistent thickness control (0.170-0.200") for uniform pressure application and improved joint integrity
  • Full regulatory compliance with RoHS 3 and REACH standards, ensuring safe use in global industrial applications
  • Excellent durability in demanding conditions, maintaining performance in chemical and marine exposures
  • Broad industrial compatibility with inch-system fasteners, simplifying procurement and inventory management

Professional Applications & Engineering Value

These 316 stainless steel flat washers deliver exceptional engineering value in corrosive environments where standard fasteners fail. The marine-grade 316 stainless steel composition provides superior resistance to chlorides, acids, and industrial chemicals, making these precision washers ideal for marine equipment, chemical processing plants, and offshore applications. The optimized 0.625" outer diameter ensures maximum bearing surface while the 0.281" inner diameter maintains perfect alignment with 1/4" screws, preventing galvanic corrosion and ensuring reliable performance in vibration-prone assemblies. These industrial washers solve critical challenges in maintenance-heavy industries by reducing replacement frequency and minimizing downtime in aggressive operating conditions.

Specification Summary & Compliance

Manufactured to precise inch system dimensions with 0.281" ID, 0.625" OD, and 0.170-0.200" thickness range for consistent performance. These flat washers are designed for use with 1/4" screws and comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide.

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