Riva Upholstered back chairs #3403, #3403S, #3603, #3603S & #3803 . GSA SIN# 33721
3b. Optional Arm Width Adjustment
4a. Casters or Glides
Part #
Price
Description
Part # 16HP
Price
Description
+$0
+$0
Standard no arm width adjustment
Standard black carpet casters for low-profile bases
19AB
+$49
Arm width adjustment bracket (in/out) 3
16SCG
+$43
Grey-black all floor casters for low-profile bases
16GL
+$43
Note 3: #19AB is available with arms #38A, #51A & #53A.
Black all floor glides for low-profile bases
3c. Arm #90A: + Textile Grade Part # Price Description GR A +$434
5. Optional Lumbar Adjustment
Grade A fabric, vinyl or leather
GR B GR 1 COM GR 2 GR 3 COL GR 4 GR 5 GR 6 GR 7 GR 8
+$436 +$438 +$438 +$444 +$447 +$447 +$459 +$464 +$477 +$491 +$507
Part # 12LUM
Price
Description
Grade B fabric, vinyl or leather
+$168
Grade 1 fabric, vinyl or leather
Mechanical internal lumbar support
Customer’s Own Fabric or Vinyl
Grade 2 fabric, vinyl or leather
Grade 3 fabric, vinyl or leather
6. Optional Upholstered Backshell
Customer’s Own Leather
Part #
Price
Description
Grade 4 fabric, vinyl or leather
+$0
Grade 5 fabric, vinyl or leather
Not selected / standard backshell is black poly
Grade 6 fabric, vinyl or leather
Grade 7 fabric, vinyl or leather
22UBF
+$223
Upholstered backshell for fabrics or vinyl
Grade 8 fabric, vinyl or leather
4. Base
22UBL
+$263
Upholstered backshell for leather
Part # 18BB
Price
Description
+$0
Standard black nylon low-profile 5-star swivel base
18PB
+$168
Polished aluminum low-profile 5-star swivel base
VIA SEATING PUBLIC LIST PRICING (EFFECTIVE 01/01/26) . VIASEATING.COM . 1-800-433-6614 251
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