SummerHolz AS-155 Nitrile (Buna-N) O-Rings 90A Durometer, 3.987" ID x 0.103" CS (4" ID x 3/32" CS), for Industrial Equipment & Heavy Duty Sealing, -40°F to +248°F, 5 Pack

SummerHolz AS-155 Nitrile (Buna-N) O-Rings 90A Durometer, 3.987" ID x 0.103" CS (4" ID x 3/32" CS), for Industrial Equipment & Heavy Duty Sealing, -40°F to +248°F, 5 Pack

• Size & Fitment: AS-155, 3.987" ID x 0.103" CS (4" ID x 3/32" CS; 101.27 mm ID x 2.62 mm CS), AS568 standard sizing for accurate fit and easy replacement.
• Material: Made of premium Nitrile Rubber (Buna-N) with 90A durometer hardness for strong oil resistance, wear resistance, and long-lasting durability.
• Performance: Rated from -40°F to +248°F for reliable sealing in fuel, oil, air, and hydraulic systems, helping reduce leaks and support dependable service.
• Application: Designed for industrial machinery, hydraulic assemblies, pipe systems, and heavy-duty maintenance that require durable sealing for equipment service, rebuild work, and replacement tasks.
• Value: 5 pack for replacement, routine maintenance, shop stock, and repair work. Please confirm the required ID, CS, material type, and AS size before purchase.