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NBR O-Ring
- Hardness: 70A
- Temperature: -4℉ (-20°C) to 212℉ (100 °C)
Circular Cross-Section
- They are circular, round in cross-section.
- Designed for use in a wide variety of sealing applications.
- Commonly provide a pressure and fluid seal between cylindrically shaped, overlapping mating surfaces and are commonly seen in engines, faucets, flanges, valves, and various cylinders.
Nitrile Butadiene Rubber O-rings
- Good mechanical properties and high wear resistance NBR. Good resistance to many petroleum oils, greases, hydraulic fluids, alcohol, mineral oil, and grease.
- Buna-nitrile is vulnerable to acetone, ethers, esters, ozone, sunlight, and weathering and should therefore not be used in ozone-generating electric motors, welding equipment, or in applications with exposure to UV light.
Adam
2025-09-04 11:49:18
These fit Stihl flip up gas and oil caps perfectly. After a few years the o-rings start to get hard and develop flat spots that will cause leaks. These are a quick fix that totally eliminates leaks.
Maleko
2025-08-30 10:59:40
Rubber orings are hard to measure. I bought these 32od 3.5mm thick o rings for my automotive oil fluid extraction pump. These pumps have an oring on the part that screws on the top that holds the plastic tube. Anyways this is the exact size if your pump starts to not hold the air pressure. 5 stars, good quality.
jags
2025-08-05 13:26:17
Great product
blackey
2025-08-01 16:25:46
This is just what I needed for Accurize lr22 laser pointer.
moorebilly59
2025-07-06 12:05:59
Product seems good quality but not for what I needed. Sizing might be a bit off. Someone left a review saying these fit STIHL saws so I bought some but they don’t. MS261 on left in photo and new gasket on right.
James S. of Texas
2025-07-01 16:00:18
I used these to replace the O-rings in my old Ames garden hose reel. Ames does not sell their kits anymore. So far it doesn’t leak anymore.
Addison
2025-06-24 13:51:41
These fit perfectly on 3/4" threaded conduit nipples to thread into weathertight surface-mount electrical boxes.
TK
2025-06-21 14:11:40
As described
Max R.
2025-05-11 11:45:34
Would recommend
Stefania
2025-05-03 14:11:24
Arrivate in tempo. Confezione in ottimo stato. Le ho messe nell'apparecchiatura dove mi servivano e stanno funzionando alla grande
Mr Christopher A Rutt
2025-04-23 10:28:57
repaired a broken seal in our garden sprinkler very well
SasÃ
2025-03-07 14:11:17
Ottimi oring molto buona la rifinitura . Tenuta resistente, morbidi.
Customer
2025-02-07 11:47:04
Good product
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