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Classic Stacking Chairs
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Office Chair Mechanisms

Office chair mechanism-Heavy Duty
Heavy Duty
Complete with 1" threaded post, small #74 bell and washer as shown. 13-1/2" comes with a 4-1/16 bell. Any other bell desired will be shipped as an "add-on" item not installed
Price: $151.65 128.65
Qty Size  
Office chair mechanism-Old Style
Old Style:
Front to rear hole length 13-1/2"
Side to side hole width, 6". Threaded post is standard 1" diameter. Bell is 4-1/16" diameter covering the top of the 4 leg base hub plate. The rails curve outwards at each end.
Price: $186.68
Qty :
Office chair mechanism-Conical Spring
Conical Spring Post Mechanism
Post, Bell & Washer are included
Price: $144.39
Qty :
Office chair mechanism-Lazy Boy
04484
Virtual replacement for many La-Z-Boy and many other office chairs. Slotted screw holes permit installation width variable between 5-3/4" and 6-1/8". Mechanism is complete with Bell, Washer and 1" Threaded Post. 17-1/2" length measured hole to hole.
Price: $193.49
Qty :
Office chair mechanism-402 Tilter
#402 Tilter
5 1/4" x 5 1/4" on centers holing
(Also fit's holing 6-1/4" long) Heavy duty 10 gauge steel
Shaft tapered, 1" diameter x 4 3/4"
Solid steel shaft pressed and welded. Solid steel 1 piece pivot pin.
Heavy duty tension spring.
Price: $88.00
Qty :
Office chair mechanism-502 Tilter
#502 Tilter
5-1/4" x 5-1/4" on centers holing12 gauge steel Shaft 1" diameter x 4-3/8" long (welded in place) Heavy wall pipe (hollow) Solid steel 1 piece pivot pin Adjustable tension spring Residential duty (as in original).
Price: $82.56
Qty :
Office chair mechanism-Swivel Plate
Swivel Plate Mechanism
  • Hole Pattern: 5.5" Square
  • Top activation
  • Angle : 0 degrees
  • Cylinder taper: 17-4
  • Price: $31.34
    Qty:
    Office chair mechanism_Swivel Plate Top Activation
    Swivel Plate Mechanism
  • Activation: top activation w/single lever
  • Angle : 2 degrees
  • Cylinder taper: 17-4
  • Back upright width : 2.25"
  • Price: $33.96
    Qty:
    Office chair mechanism-Swviel Plate-Single Lever
    Swivel Plate Mechanism
  • Activation: top activation w/single lever
  • Cylinder taper: 17-4
  • Tilt lock method : push/pull
  • Price: $35.86
    Qty:
    Swivel Plate -Mechanism
    Swivel Plate Mechanism
  • Activation: top activation w/single lever
  • Cylinder taper: 17-4
  • Tilt lock method : push/pull
  • Price: $36.95
    Qty:
    Office chair mechanism-Knee Tilt
    Knee/Tilt Mechanism
  • Activation: top activation w/single lever
  • Cylinder taper: 17-4
  • Tilt lock method : push/pull
  • Tilt tension adjustment knob
  • Price: $69.56
    Qty:
    Office chair mechanism-Heavy Gauge Steel
    Heavy gauge steel.
    Spring adjustment knob. Threaded post, washer and bell included.
    "A" measurement is 5- 1/2" and slotted to provide 3/8" in or out adjustment. "B" measurement is 6 -1/4", also slotted for adjustment.
    Price: $131.38
    Qty :
    Jury Bases & Columns
    Jury Base Column
    Bolt to the floor swivel chair base.
    Automatic self return
    Use with any manual mechanism offered.
    7" and 9-1/4" standard heights, others can be special ordered
    Left and right swiveling in degrees of 45 left/right, 60 left /right, 90 left/right.
    Heavy duty steel construction
    Includes 180° Cam
    Price: $291.50
    Qty :
    Gas Bolt Down Jury base
    Heavy Duty Intensive Gas Bolt Down Jury base
    Excepts 50 mm size and column diameter gas cylinders. Bolt down plate is 1/4" thick plate steel with 6 bolt holes. No hole in floor necessary for cylinder operation. Base Only
    Price: $204.48
    Qty :
    Gas Cylinder Columns
    Gas Cylinder Columns
    Price: $34.65 ea
    Qty :
    Exposed Height from Top of Base Leg :
    1- 5/8" x 2-1/4" dia. Bell washers
    1- 5/8" x 2-1/4" dia.
    Black
    Price: $21.95 ea
    Qty
    4-1/16" bell washer
    4-1/16" dia.
    Black
    Price: $28.55 ea
    Qty
    1/8' plastic thrust washer
    1/8" Thrust washer
    Plastic
    Price: $4.73 ea.
    Qty
    Thrust washer steel
    Thrust washer
    Steel
    Price: $7.65 ea.
    Qty
    Gas Cylinder Bearing kit
    Gas Cylinder Bearing Kit
    includes shipping to anywhere in the continental US
    Price: $19.95 17.95 ea
    Qty:
    Gas Cylinder bearing grease
    Bearing Grease
    Designed to reduce friction and wear on metal-to -metal parts. It also reduces sound, vibration, is water resistant, and a rust and corrosion preventative!
    Price:$11.80 ea
    Qty :
    Chair mechanism -screws
    Mechanism Mounting Screws
    Price: $1.00 ea
    Qty: Size: