M2x62 Viton O-Ring 75A Durometer, 62 mm ID - Durable Seal

In this review the M2x62 Viton O-Ring stands out as a practical, no-nonsense sealing solution for technicians and hobbyists who need chemical and heat resistance in a compact package. The bottom line: this pack of 50 black Viton rings is for anyone replacing or stocking O-rings used in fuel, hydraulic, or high-temperature applications where a reliable round seal and consistent 75A hardness matter. The reviewer found the rings notably consistent in size and well suited to threaded barrel protection and carburetor seat seals where a snug fit is essential.

Key Features

• Material: Made from Viton fluorocarbon elastomer for broad resistance to fuels, oils, and many chemicals, providing longevity in demanding environments.
• Temperature range: Rated for a wide service range to handle cold starts and sustained heat up to useful operating limits, helping prevent seal failure under thermal stress.
• Durometer: The 75A hardness gives a balance of flexibility and compression resistance, useful where a firm, reliable seal is required without excessive stiffness.
• Shape and fit: Round cross-section design creates an effective seal between overlapping cylindrical surfaces and maintains contact under pressure.
• Pack quantity: Supplied as a pack of 50 which is convenient for maintenance shops or users who service multiple units and need consistent spares.

Who It's For

This O-ring is best for mechanics, small workshops, and DIYers working with non-flammable hydraulic fuels, silicone oils, and many aromatic or aliphatic hydrocarbons where a fluorocarbon elastomer is preferred. It is also a good choice for users who need stocked, consistent replacements for threaded barrel protection or carburetor seat seals.

Those who should look elsewhere include users exposed to strong alkalis, ammonia gas, or glycol-based brake fluids where Viton has vulnerabilities, and applications that require softer or much harder durometers than 75A for specialized sealing dynamics.

Pros & Cons

Pros

• Good chemical and fuel resistance due to the Viton construction, making it suitable for many service fluids.
• Consistent sizing and fit praised by customers for threaded barrels and carburetor seals, delivering dependable seal quality.
• The 75A durometer balances flexibility and firmness, improving longevity in common sealing tasks.
• Bulk pack of 50 offers strong value for maintenance and multi-unit servicing.

Cons

• Not compatible with some substances such as ammonia, alkalis, and certain brake fluids-users must confirm chemical compatibility.
• The specified top temperature may be application-dependent; extremely high continuous temperatures or super-heated steam are not recommended.

Specifications

Material	Viton (fluorocarbon elastomer)
Durometer	75A
Inner Diameter (ID)	62 mm
Outer Diameter (OD)	66 mm
Cross-section Width	2 mm
Color	Black
Pack Quantity	50 rings

Our Verdict

The M2x62 Viton O-Ring is a solid, cost-effective choice for general sealing tasks where chemical and heat resistance are needed. It suits workshops and DIYers who want consistent, ready-to-stock spares with good fit and function. Confirm chemical compatibility for corrosive or alkaline environments before use, but for most fuel and oil exposures this pack represents good value and dependable performance.

Frequently Asked Questions

What temperature range does this O-ring handle?
The rings are usable across a wide temperature span suitable for most service conditions, with practical use up to the stated upper limits for Viton.

Will this fit threaded barrel applications?
Customers report the size works well for many threaded barrels and protective thread keeping tasks where a snug seal is required.

Is Viton compatible with all chemicals?
Viton resists many fuels, oils, and hydrocarbons but is not recommended for strong alkalis, ammonia, or glycol-based brake fluids; always check compatibility for specific fluids.