A-A-50203A
June 10, 1988
SUPERSEDING
A-A-50203
May 3, 1983
COMMERCIAL ITEM DESCRIPTION
COMPASSES, DRAFTING, BEAM
The General Services Administration has authorized the use of this commercial item description in preference to Military Specification MIL-C-3635.
This commercial item description covers beam compasses intended for use in drawing the arcs of large circles.
Salient characteristics.
Design: The beam compasses shall be of the micrometer type and shall consist of pen, pencil-lead, and needlepoint attachments with two clamps for holding various combinations of attachments, with appropriate case for each type.
Classification: Bars for the beam compasses shall be of the following types, and sizes:
Type I- One-piece bar. Aluminum or 300 series stainless steel I or T beam.
A- Size- 16 inch length.
B- Size- 18 inch length.
C- Size- 24 inch length.
D- Size- 30 inch length.
E- Size- 36 inch length.
F- Size- 48 inch length.
G- Size- 60 inch length.
H- Size- 72 inch length.
Type II- Sectional bars. Aluminum, 300 series stainless steel or nickel silver.
I- Size 40 inch length (assembled).
J- Size 42 inch length (assembled).
K- Size 36 inch length (assembled).
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
For Parts Inquires submit RFQ to Parts Hangar, Inc.
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