M4 Plain Vulcanised Fibre Tap Washer, 0.8mm Thickness
- RS Stock No.:
- 0526366
- 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 | 0526366 |
| Product description | M4 Plain Vulcanised Fibre Tap Washer, 0.8mm Thickness |
| 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 | 0526366 |
| Product description | M4 Plain Vulcanised Fibre Tap Washer, 0.8mm Thickness |
| Manufacturer / Brand | RS PRO |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Apr 29, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Product Details
RS PRO Fibre Washers
RS PRO range of hard vulcanised red insulating fibre washers which are ideal for ISO metric and imperial BA fasteners.
Tap washers are a thin disk with a hole in the middle that is designed to even out an uneven surface so that the fastener can be securely attached to the surface. They can be made from various materials such as rubber, nylon, ceramic, these RS PRO sealing washings are made from vulcanised fibre.
Washer options include the following sizes:
289-073 - M2.5
526-350 - M3
526-366 - M4
526-372 - M5
526-388 - M6
530-258 - M8
530-264 - M10
530-270 - M12
Features and Benefits:
Vulcanised red fibre washers in various sizes
Resistance to sea water corrosion, petroleum derivative, oils organic solvents
Abrasion and UV resistant and electrically insulating
Typical Applications:
Tap washers are also known as sealing washers and are designed to prevent leakage and contamination. Tap washers are ideal for plumbing applications to provide durable and reliable seals.
Vulcanised fibre washers are ideal for sealing and spacing throughout various industries. These type of washers are great to seal against water leakage or ingress. Fibre washers are ideal for:
Electrical insulation
Automotive usage
Glazing
Lighting
Marine usage
Plumbing
FAQs
Why would I need to replace a tap washer?
If your tap is dripping, no matter how much you tighten the tap then there is a good chance that the tap washer is worn or damaged and needs replacing. Tap washers are prone to wear and tear and when they are worn it allows a small amount of water through which drips from the tap.
Why RS PRO?
RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards; they’re only given the RS PRO seal of approval if we’re confident of their exceptional quality, which means you can be confident too.
Specifications
| Attribute | Value |
| Brand | RS PRO |
| Material | Vulcanised Fibre |
| Finish | Plain |
| Thickness | 0.8 mm |
| For Screw/Bolt Size | M4 |
| Inside Diameter | 4.3 mm |
| Outside Diameter | 9 mm |
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