A-A-700A
February 23, 1983
SUPERSEDING
A-A-700
November 27, 1979
COMMERCIAL ITEM DESCRIPTION
CHAIR, SHELL, ROTARY, HIGH BACK
The General Services Administration has authorized the use of this
Commercial Item Description in preference to type I high back chairs of
Interim Federal Specification AA-C-001771C
Salient characteristics:
Design. The high back shell chair shall be designed for heavy duty office use and have the contemporary style and appearance illustrated in Figure 1. The chair shall swivel with continuous seat rotation; have a tilting seat and back with adjustable tilt tension; and have continuous seat height adjustment. The chair shall have arms, a base with casters and padding covered with fabric upholstery which does not overlap or cover the outer shell. Tufting is optional.
Dimensions. The dimensions shall be as listed below:
1. Seat depth- 17 in minimum.
2. Seat width- 19 in minimum.
3. Back height- 20 in minimum.
4. Width between arms- 19 in minimum.
5. Overall height- 36 in minimum (chair adjusted to lowest height).
6. Seat height shall include the range between 18 in. to 20 in.
Casters. The casters shall be replaceable stem and socket type with a ball bearing swivel. Wheel diameter shall be 2-1/2 in. (6.4 cm). Material for the tread shall be either rubber or plastic with a Shore durometer D scale hardness of 35 to 50 at 70oF (21.1oC). The wheel bearing shall be self lubricating. The casters shall have a corrosion resistant finish compatible with the appearance of the chair base. The bottom of the chair seat shall be clearly and permanently marked with information indicating where replacement casters of the same type and used on these chairs can be obtained.
Base. The chair base shall be slim, contemporary style of either four or five leg design. The base shall be fabricated from steel or aluminum. Steel bases shall be satin chrome plated in minimum bases shall be satin finished. The finish on both bases shall cover all or major portion of the exposed surface and be similar in appearance to Government Standard Sample FSS-M-01001.
Shell(s). The chair seat and back shall consist of a one-piece outer shell of either single or double shell design. Material for the shell(s) shall be either molded plastic or steel. The exposed surface of the outer shell shall be colored black or slate gray with a textured finish. There shall not be any openings or holes in the back of the outer shell.
Arms. The arms shall be open. Plastic shall be colored black. Exposed metal shall have an attractive corrosion resistant finish colored black or satin chrome plated similar in appearance to Government standard sample FSS-M-01001. The arms shall not be upholstered.
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