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OM Seating  |  SKU: OM5-AC

Office Master OM5 Active Sled Base Cafe Stool | OM5-AC

$349.05

The Office Master OM5-AC Sled-Base Cafe Stool is a versatile seating option for cafes, bistros, and other informal settings. It combines a stable sled-base with a comfortable seat and optional upholstery to deliver reliable everyday comfort in high-traffic spaces.

Highlights

  • One-piece articulating plastic shell from the OM5 series for responsive, body-activated motion.
  • Choose your level of comfort with optional backrest and seat upholstery; multiple shell colors and fabric options available.
  • Seat heights available in 24" and 30" to match common cafe and bar setups.
  • Weight capacity up to 300 lbs for broad user range and solid, dependable support.
  • Sled-base frame offers stable footing and easy mobility; stackable for compact storage.
  • CA TB 133-certified on all plastic versions; an upcharge applies when selecting backrest and/or seat upholstery.
  • Ideal for high-traffic spaces where durability, cleanability, and comfort matter.

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Dimensions

Model/Sku Office Master OM5-AC
Overall Width 20.5" Armless 22.75 Arms
Overall Height 38.5" | 44.5"
Back 17.5"w x 16"h
Seat 18"w x 18"d
Seat Height 24" | 30"
Carton Weight 27 lbs. | 30 lbs.
Warranty Lifetime limited

Chair measurements are approximate and are based on switching cylinder heights on otherwise the same chair, with the same base and casters. Arm dimensions are approximate as actual measurements will vary depending on a variety of factors: cushion contour(s), seat upholstery, memory foam, etc.

More information about OM5-AC Fabric and Arms selection is available on the OM5-AC Options Library page

Downloads

Assembly: Assembly_Instructions_OM5 Active.pdf

Brochure: Brochure_OM5 Active.pdf

Certificate: Certificate_OM5 Active.pdf

Disassembly: Disassembly_Recycling_Instructions_OM5 Active.pdf

General Warranty

Warranty

Office Master, Inc. (OM) warrants to the original purchaser that its products are free from defects in materials and workmanship for the applicable warranty period, as indicated below. 

Should any item fail, OM will – at its sole discretion – repair or replace, with a comparable product or part, any item found to be defective as a result of normal commercial use (i.e., a single 8-hour shift, 5 days per week).

This warranty does not apply to items subjected to abuse, misuse, neglect, alteration, or damage caused by shipment, storage, accident, fire, flood, or act of God.

Note: the actual warranty terms are specified on the chair product page. 

lifetime limited warranty:

The OM5 Series® (including the OM5 Active sub-series), Truly.® Series, and Ginny are covered by a lifetime limited warranty on all structural components as defined below.

12-year limited warranty:

Unless otherwise specified, all models not classified as budget or 24/7 or heavy-duty are covered under a 12-year limited warranty on all structural components as defined below.

7-year limited warranty:

Unless otherwise specified, all models classified as budget or 24/7 or heavy-duty or bariatric are covered under a 7-year limited warranty on all structural components as defined below. Budget series include: BC, SG, ST, and WS. Bariatric series includes: GY4B-26 and GY4B-30.

warranty terms:

Within a given model’s applicable warranty period, all structural components, including gas cylinders, wood, metal and plastic parts (i.e., chair frames, bases and control handles) are guaranteed against structural failure when under normal commercial use. All OM seating comes with a default 275 lbs. weight capacity limit unless otherwise specified by OM. 

For all models, consumable items (i.e., casters, glides, etc.) are covered by a 5-year normal commercial use warranty.

fabrics and foam:

OM in-stock upholstery & foam cushions are covered by a 5-year normal commercial use warranty. Normal wear and tear on fabrics such as wrinkling, dirt accumulation or gathering is not covered. This includes Truly.® Series “Jackets” and “Wraps”. Natural, minor variations may exist in color, surface, grain or texture of upholstery materials. As a result, any such variations are not warranted. COM/COL and graded-in fabrics are not covered.

warranty labor:

This warranty exclusively covers the repair or replacement of OM parts as determined by OM and does NOT cover any portion of field labor or service and does NOT cover any portion of field labor or service. For information regarding OM’s non-warranty shop time and related charges, please reference a current copy of OM’s pricebook, in the Terms and Conditions section.

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