S-98019A211 0.068" ID x 0.13" OD MS51496-P61 Mil. Spec. Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from passivated 18-8 stainless steel, ideal for harsh industrial environments and moisture exposure.
• Precise dimensional fit with 0.068" ID and 0.13" OD, ensuring reliable alignment and load distribution for No. 0 screws.
• Consistent mechanical performance with Rockwell C20 hardness, providing dependable surface protection and vibration resistance.
• Guaranteed compliance with MS51496-P61 specifications, ensuring interchangeability and reliability in military and aerospace applications.
• Environmental safety assurance through RoHS 3 and REACH compliance, meeting global regulatory standards for hazardous substances.
• Optimized thickness range (0.022-0.028") for uniform pressure distribution and reduced risk of fastener loosening.
• Long-term durability with stainless steel construction, maintaining integrity under repeated stress and temperature variations.

Professional Applications & Engineering Value

Engineered for critical industrial applications, these MS51496-P61 flat washers address common challenges like galvanic corrosion and fastener failure. The passivated 18-8 stainless steel construction provides a protective oxide layer, significantly extending service life in chemical processing, marine, and aerospace assemblies where moisture and corrosive agents are prevalent. With precise inch dimensions (0.13" OD, 0.068" ID), they ensure accurate fitment for No. 0 screw sizes, preventing misalignment and distributing clamp load evenly to protect sensitive components. This combination of corrosion-resistant materials and strict adherence to military specifications makes them indispensable for OEMs and MRO professionals requiring reliable, long-term performance in demanding environments.

Specification Summary & Compliance

This flat washer conforms to MS51496-P61 dimensional and material standards, featuring an ID of 0.068", OD of 0.13", and thickness range of 0.022-0.028" for consistent performance. Manufactured from 18-8 stainless steel with a passivated finish, it meets hardness requirements of Rockwell C20. Compliance is verified with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety protocols for industrial and defense sectors.