is there a glass (instead of resin or plastic) alternative to this ?

Not to my knowledge, unless a substitution has been created. The Yosemite coffee pot comes with the plastic version.

does this top fit the farberware 47053 12 cup percolator?

I have the 8 cup percolator #50124 and it worked fine. 50124 https://www.amazon.com/gp/product/B00005NCWQ/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1 If you select the 12-cup model on the Amazon page above, for the model I have, it comes up as #47053, but is not listed as a "Yosemite" model, whatever that means. I don't always trust the pictures to be accurate, but they do look the same. Maybe the 12 cup top is larger, but I can't tell. I measured mine (8 cup): the replacement black ring is 2" diameter, the top of the glass part is 1" diameter and rises 7/8" above the ring. If this is the size of your percolator top, it may be a good fit. Otherwise, contact Farberware.

Is the rubber ring made of silicone, and if not, does anyone know of a replacement that uses silicone instead of commercial rubber?

it's neither silicone nor rubber.. it is made of plastic. it does not come in contact with any liquid so you do not have to worry about chemical leaching.

What is the outer diameter of the washer? I see the inner diameter, and the height of the bulb, but not the OD of the washer.

With a standard measuring tape, I measured 6 inches around the outer diameter of the washer.

Plastic Knob Top and Washer Ring fits Farberware Yosemite Coffee Percolators

Plastic Knob Top and Washer Ring fits Farberware Yosemite Coffee Percolators

产品编号: 433757560

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细节

Brand
Univen
Capacity
8 Cups
Coffee Maker Type
Percolator
Colour
Clear
Item Weight
0.02 Kilograms
Material
Plastic

☕Fits 8 & 12 cup Farberware percolators

📏Precise 1.5" tall knob, 0.85" shaft diameter

🇺🇸Quality USA-made replacement part

描述

☕ Elevate your coffee ritual with the perfect knob upgrade!

TRUSTED BY THOUSANDS - Rated 4.4 stars by over 1,700 coffee lovers who refuse to settle for less.
DURABLE PLASTIC BUILD - Crafted from high-quality plastic for lasting performance without compromising style.
PERFECT FIT FOR ICONIC MODELS - Seamlessly replaces knobs on Farberware Yosemite 8 & 12 cup percolators (models 50124 & 47053).
PRECISION ENGINEERED DIMENSIONS - 1.5" tall knob with 0.85" shaft diameter ensures a snug, secure fit every time.
CLASSIC DESIGN MODERN RELIABILITY - Maintains the timeless look of your stove top percolator while restoring full functionality.

The Univen Plastic Knob Top and Washer Ring is a precision replacement part designed exclusively for Farberware Yosemite stove top coffee percolators (8 & 12 cup, models 50124 and 47053). Measuring 1.5" tall with a 0.85" shaft diameter, this USA-made plastic knob restores your percolator’s classic look and reliable function. Ideal for home or office use, it’s the trusted choice for coffee aficionados seeking seamless compatibility and durability.

规格

ASIN	B06XC8H5YT
Brand	Univen
Brand Name	Univen
Capacity	8 Cups
Coffee Maker Type	Percolator
Colour	Clear
Country of Origin	USA
Customer Package Type	Standard Packaging
Customer Reviews	4.4 out of 5 stars 1,787 Reviews
Filter Type	Reusable
Human Interface Input	Buttons
Included Components	Filter
Is the item dishwasher safe?	No
Item Weight	0.02 Kilograms
Manufacture Year	1997
Manufacturer	Univen
Material	Plastic
Material Type	Plastic
Model Number	RM50124
Number of Items	1
Operation Mode	Manual
Other Special Features of the Product	Jug, Removable Tank
Part Number	7539772092
Recommended Uses For Product	Home, Office
Special Feature	Jug , Removable Tank
Specific Uses For Product	Hot Coffee, Percolator
Style Name	Classic
UPC	744539860277
Unit Count	1 Count

T**Y

A perfect replacement for the plastic top of my Lakeland stove top coffee percolator

8.03.2023

M**E

It fits!

8.01.2026

M**.

This is the correct and best clear peculator coffee pot top.

7.09.2025

S**E

Emballage...

J'AIME BIEN QUAND J'ACHÈTE UN PRODUIT, QUELQUE SOIT L'ENDROIT OU JE L'ACHÈTE, AVOIR LA CHANCE DE LE BRISER MOI MÊME MAIS LÀ...La rondelle est arrivée briser...Je fais quoi...? (Je m'excuse pour les majuscules du début, j'ai un clavier qui me joue des tours) ...Le bouton lui est en bonne condition...

19.09.2022

T**!

So Far, So Good

5.10.2025

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