A4 stainless steel spring washer,M5
- RS Stock No.:
- 0189709
- Brand:
- RS PRO
Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.
Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.
RS definition of RoHS Compliance:
- The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
- and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering
The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:
| Substance | Concentration |
| Lead | 0.1% |
| Mercury | 0.1% |
| PBB (Polybrominated Biphenyls) | 0.1% |
| PBDE ( Polybrominated Diphenyl Ethers) | 0.1% |
| Hexavalent Chromium | 0.1% |
| Cadmium | 0.01% |
| DEHP (Bis (2-Ethylhexl) phthalate) | 0.1% |
| BBP (Benzyl butyl phthalate) | 0.1% |
| DBP (Dibutyl phthalate) | 0.1% |
| DIBP (Diisobutyl phthalate) | 0.1% |
The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".
RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.
| RS stock number | 0189709 |
| Product description | A4 stainless steel spring washer,M5 |
| Manufacturer / Brand | RS PRO |
RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK
Statement of Conformity
This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.
| RS stock number | 0189709 |
| Product description | A4 stainless steel spring washer,M5 |
| Manufacturer / Brand | RS PRO |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Dec 5, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Country of Origin: CN
Product Details
RS PRO Spring Washers A4 Stainless Steel
From the trusted RS PRO brand, these spring washers are ideal for fastening applications where vibration is a concern. These washers are constructed from A4 stainless steel, which assures an excellent resistance to wear and tear, and makes them suitable even for use in marine-grade environments. To avoid the loosening of bolts and fasteners over time, spring washers are ideal.
Features and Benefits
Durable and high-quality spring washers
A4 stainless steel construction
Single coil
Applications
Spring washers are designed to be fitted between a bolt, nut or other washer and the surface panel. Their unique construction allows them to absorb vibration from the bearing surface that might loosen fasteners over time. As such, they are ideal for use in machinery where high-levels of vibration are prevalent, from industrial machinery to domestic appliances such as washing machines.
Why RS PRO?
RS PRO aims to be your go-to brand for reliability and value for money. We source great parts at great prices and test everything with our in-house experts to ensure the quality you need.
When it comes to tools and fasteners, we know that versatility and dependability are what you need. As such, we stock a variety of mainstay and specialist fasteners and couplers to suit any application. Whether you're a professional electrician, plumber, builder or DIY enthusiast, RS PRO is here to support you.
Specifications
| Attribute | Value |
| Brand | RS PRO |
| Outside Diameter | 8.8 mm |
| Finish | Plain |
| Inside Diameter | 5.1 mm |
| Material | Stainless Steel |
| For Screw/Bolt Size | M5 |
| Stainless Steel Type | A4 316 |
| Thickness | 1.6 mm |
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