A-A-53091 Chair, Whirlpool BathThis Commercial Item Description covers a mobile, adjustable high chair for use during hydrotherapy of foot and lower leg in whirlpool baths.

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A-A-53091

Sampling for examination. Sampling for examination shall be conducted in accordance with MIL-STD-105 and table I. The unit of product for sampling purposes shall be one whirlpool bath chair, as specified in this description.

TABLE I. Sampling for examination.

	Inspection level	AQL (defects per hundred units)
For visual examination Major defect Total defects (Major and minor combined)	II II	1.0 4.0
For dimensional examination	S-1	2.5
All Tests	S-2	1.5

Examination. The whirlpool bath chair shall be examined to determine compliance with the requirements of this specification in accordance with the classification of defects in table II.

TABLE II. Classification of Defects*

Classification

Defects

Major

101

102

103

104

105

106

107

108

109

110

Chair does not have a heavy tubular aluminum or chrome-plated steel frame construction.

Chair does not have suitable circular leg bumpers.

Chair does not have three inch minimum diameter casters.

Chair does not have foot-locking brakes on at least two of its casters.

Seat does not adjust through a nominal height of 33 inches to 38 inches.

Chair does not have a strong, long wearing patient security belt attached to the back support.

Chair does not have a full width step.

Step not furnished with a slip-resistant surface.

Seat not furnished with a sturdy, long-wearing pad.

Chair nor free of burrs or sharpness

Minor

201

202

Chair finish not free of chips, cracks, scratches, and other appearance defects.

Any component parts of chair not secured in placed.