UST 1639720 Hnbr Rings Set W5201 608383038148 270-PC.

( Brand: Ust ), ( Manufacturer Part Number: 1639720 ), ( Part Type: Ring ), ( Model Number: W5201 ), ( UPC: 608383038148 )

Review UST Hnbr O rings 270-pc. Set Model

Introducing the 1639720 HNBR O-Rings 270-pc Set with W5201, a premium quality assortment of 270 individual HNBR (Hydrogenated Nitrile Butadiene Rubber) O-Rings. These O-Rings are designed to provide exceptional sealing performance in various industrial applications.

Each O-Ring in this set measures 5/16 inches (8.0 mm) in diameter and 1/4 inch (6.35 mm) in width, making them versatile for use in a wide range of machinery and equipment. The diameter tolerance for these O-Rings is /- 0.005 inches (0.127 mm), ensuring a reliable and snug fit in most standard applications.

Manufactured using HNBR material, these O-Rings offer a number of advantageous properties, including excellent resistance to heat, oil, fuel, and chemicals, as well as superior flexibility and durability. This makes them ideal for use in harsh environments where other sealing materials might fail.

The 1639720 HNBR O-Rings 270-pc Set with W5201 comes packaged in a reusable plastic container, which keeps the O-Rings clean and organized for easy access. Each O-Ring is individually wrapped in protective paper to prevent damage during storage and handling.

These O-Rings can be used in a wide range of industries, including automotive, aerospace, energy, and manufacturing, making them a valuable addition to any maintenance or repair kit. Their high-performance characteristics and versatile size make them a reliable and cost-effective solution for sealing applications.

In summary, the 1639720 HNBR O-Rings 270-pc Set with W5201 is a top-tier assortment of industrial-grade HNBR O-Rings, offering exceptional sealing performance, resistance to harsh conditions, and versatility for various applications. With their precise dimensions, protective packaging, and durable material, these O-Rings are a must-have for any maintenance or repair professional.

Pros and Cons of Buying a 270-pc Set of HNBR O-Rings (Part Number: W5201)

a. Versatility: This set of O-Rings comes with a large quantity, making it suitable for various applications across industries, including automotive, industrial, aerospace, and more.

b. Durability: HNBR (Hydrogenated Nitrile Butadiene Rubber) is a high-performance rubber material known for its excellent resistance to oil, temperature, and ozone. This makes it an ideal choice for applications where sealing is required in harsh environments.

c. Cost-Effective: Purchasing a large set like this can be more cost-effective in the long run, as it eliminates the need for frequent replacements.

d. Wide Size Range: The set includes a wide range of sizes, allowing users to find the right fit for their specific application, reducing the need for multiple orders.

a. Incompatibility: HNBR O-Rings may not be compatible with all types of materials and applications. It is essential to ensure that the material is suitable for the intended application to avoid any potential issues.

b. Pricing: While the set may be cost-effective in the long run, the initial investment can be quite high, potentially deterring some buyers.

c. Storage: Storing a large set of O-Rings can be challenging, especially in small workspaces. Proper storage is essential to maintain their quality and prevent damage.

The 270-pc Set of HNBR O-Rings (Part Number: W5201) offers several advantages, including versatility, durability, cost-effectiveness, and a wide size range. However, it also comes with some disadvantages, such as potential incompatibility issues, high initial investment, and storage challenges.

If you require a large quantity of O-Rings for applications in harsh environments where sealing is crucial, this set may be an excellent investment. Ensure that the material is suitable for your specific application and have a proper storage solution in place. If the quantity or size range is not necessary for your needs, consider purchasing a smaller set or individual O-Rings to avoid unnecessary costs.

Details:

Specifically designed for vehicle air conditioning. Product Summary: Contains 18 popular sizes. Warranty information and contact details can be found on our. UST HNBR O-Rings, 270-Pc.

Set, model # W5201. Northern Tool Item# 179212. Resealable plastic case.

part #: 1639720 price

• $12.99

specifications toolssupp:

• brand: Ust
• mpn: 1639720
• part type: Ring
• model number: W5201
• upc: 608383038148

seller toolssupp:

• city: Savage, MN
• # reviews: 234151
• rating: 99.5%

shipping toolssupp:

• carrier: FedEx
• type: Fixed
• transit: 4-7 Days
• class: Standard
• cost: $9.99
• service: FedEx Ground / FedEx Home Delivery

offer toolssupp:

• availability: In Stock
• options: Ship-to-home
• started: January 9, 2026
• sold: 0

returns toolssupp:

• paid by: Buyer
• time: 30 Days
• policy: Returns Accepted

payments toolssupp:

• credit card: Discover
• wallet: Apple-pay
• other

general toolssupp:

• condition: New
• Motors > Automotive Tools Supplies > Other Auto Tools Supplies

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