# COS-046-640 Rotary Synthetic Compressor Oil ISO 46, 5 Gal

Date: 2026-10-31

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Compressor oils · 2026-10-31

[Buy direct from Lubri-Loy - free shipping: COS-046-640](https://lubriloy.com/products/cos-046-640)

Lubri-Loy COS-046-640 is a rotary synthetic compressor oil in ISO 46 viscosity grade, supplied in a 5 gal pail. It is rated for 8,000-hour service in rotary compressors. Lubri-Loy's commitment to quality continues with lubricants blended in the USA since 1949. Use the matching product page to buy directly from Lubri-Loy.

[View COS-046-640 Rotary Synthetic Compressor Oil ISO 46, 5 Gal / COS-046-640](https://lubriloy.com/products/cos-046-640)

## Product specification summary

- **Catalog No. / MFR #:** COS-046-640

- **Product:** Lubri-Loy Rotary Synthetic Compressor Oil

- **Application:** Rotary compressors / air compressor oil

- **Viscosity grade:** ISO 46

- **Service rating:** 8,000 hour

- **Size:** 5 gal pail

- **Listing item number:** 03299466

## Rotary synthetic compressor oil in the 5 gal pail

COS-046-640 identifies this 5 gal pail of Lubri-Loy Rotary Synthetic Compressor Oil. The supplied product facts identify ISO 46 viscosity grade and an 8,000-hour service rating for rotary compressors.

Keep the complete catalog number, viscosity grade and package size together when ordering. This post covers COS-046-640 in a 5 gal pail, not the separate COS-046 drum. Confirm your compressor's lubricant and maintenance requirements before selecting an oil.

## Lubri-Loy quality, blended in the USA since 1949

Lubri-Loy has been blending quality lubricants in the USA since 1949. That history reflects the company's continuing commitment to product quality.

For plant maintenance teams ordering this rotary compressor oil, clear product identification helps keep the request focused on the right item: COS-046-640, ISO 46, in a 5 gal pail.

## Buy COS-046-640 directly from Lubri-Loy

Visit the COS-046-640 product page on lubriloy.com to buy directly from Lubri-Loy. Use its ordering options, or contact the team with the complete catalog number if you need help with your request.

Reference Rotary Synthetic Compressor Oil, ISO 46, 8,000 Hour, 5 gal pail when discussing this product. Ask Lubri-Loy for any additional information you need before placing an order.

[View COS-046-640 Rotary Synthetic Compressor Oil ISO 46, 5 Gal / COS-046-640](https://lubriloy.com/products/cos-046-640)

## Frequently asked questions

### Which product and size does this post cover?

Lubri-Loy Rotary Synthetic Compressor Oil, catalog number COS-046-640, ISO 46 viscosity grade, in a 5 gal pail.

### What service rating is stated for this oil?

The supplied product facts state an 8,000-hour service rating in rotary compressors. Confirm the maintenance requirements for your compressor before planning service.

Based only on the supplied COS-046-640 facts: Lubri-Loy Rotary Synthetic Compressor Oil; air compressor oil; ISO 46 viscosity grade; 8,000-hour service rating in rotary compressors; 5 gal pail; listing item 03299466; and Lubri-Loy's USA blending history since 1949.

[Matching product page](https://lubriloy.com/products/cos-046-640) · [All product guides](https://lubriloy.com/blog/product-guides)

[Buy direct from Lubri-Loy - free shipping: COS-046-640](https://lubriloy.com/products/cos-046-640)

Other ways to buy: [Also available on Motion](https://www.motion.com/products/sku/03299466)