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OM Seating  |  SKU: AF519

Office Master Affirm Management High Back Ergonomic Chair with Headrest | AF519

$545.35

Office Master AF519 Chair is a management-grade, high-back ergonomic chair with a mesh headrest, designed for professionals who spend long hours at the desk. Its frameless mesh back and refined finishes fit seamlessly into modern offices—from tech startups to healthcare and educational spaces—delivering comfort with a polished, contemporary look.

Highlights
  • High-back management design with a mesh headrest for targeted neck and spine support.
  • Frameless mesh back promotes airflow and a sleek, contemporary aesthetic.
  • Pneumatic gas lift with EZ back height adjustment to tailor lumbar support to your posture.
  • 3-stage locking tilt plus synchronous seat/back tilt and tilt tension knob for a controlled, comfortable recline.
  • Seat depth adjustment accommodates different leg lengths and seating preferences.
  • AR-11 arms provide stable, ergonomic support for extended work sessions.
  • Finish options include Nightfall black mesh by default, optional Starlight Silver Mesh, and an optional polished aluminum package for a premium look.
  • Dual-color universal soft casters offer smooth movement on various floor types (additional charges may apply for some finishes and packages).
  • Designed for a range of environments—from executive offices to tech hubs, healthcare facilities, educational institutions, and architectural firms.

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Dimensions

Model/Sku Office Master AF519
Overall Width 27"
Overall Height 47-58"
Back 21"w x 24"h
Seat 20.5"w x 17.5-20.6"d
Seat Height 17-22"
Carton Weight 59 pounds
Warranty 12 year 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 AF519 Fabric and Arms selection is available on the AF519 Options Library page

Downloads

Assembly: Assembly_Instructions_Affirm-Series-1.pdf
Brochure: Brochure_Affirm_Series.pdf

Certificate: Certificate_Affirm_Series.pdf

Disassembly: Disassembly_Recycling_Instructions_Affirm-Series-1.pdf
Sales: Sales_Tutorial_Affirm.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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