A-A-50206A
February 18, 1988
SUPERSEDING
A-A-50206
May 3, 1983
COMMERCIAL ITEM DESCRIPTION
RULERS, DRAFTING, ADJUSTABLE CURVE
The General Services Administration has authorized the use of this commercial item description in preference to Military Specification MIL-R-3471.
This description covers adjustable curve rulers intended for use in drawing smooth, regular, and irregular curved lines with a ruling pen, or drafting pencil.
Salient characteristics.
Design. The rulers shall be as shown in figure 1 and as specified herein. The edges of the ruler shall provide a smooth firm guide for a ruling pen and drafting pencil. The rulers shall be capable of being adjusted to form any smooth, irregular, or regular curve desire, and shall remain in a set position indefinitely without attaining a permanent set.
Classification. Rulers shall be of the following types and lengths, as specified.
Type I- rubber edge.
Length- 15 inches
Length- 31 inches
Type II- metal edge.
Length- 15 inches
Length- 20 inches
Length- 25 inches
Length- 30 inches
Type III- plastic edge.
Length- 12 inches
Length- 18 inches
Length- 24 inches
Length- 30 inches
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
For Parts Inquires submit RFQ to Parts Hangar, Inc.
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