METRIC
A-A-52021B
17 April 2012 SUPERSEDING A-A-52021A
30 August 2001
COMMERCIAL ITEM DESCRIPTION
SCALE, BEAM INDICATING, WEIGHING SENSITIVE TO 1 GRAM
The General Services Administration has authorized the use of this commercial item description for all federal agencies.
1. SCOPE. This commercial item description (CID) establishes the government acquisition requirements for beam indicating weighing scales to be used as accurate weighing instruments. A- A-52021 specifies the requirements for a single type of scale therefore no classification as to type or style will be noted in this CID.
2. SALIENT CHARACTERISTICS
2.1 Metals. Metals shall be corrosion-resistant or metal made corrosion-resistant by a suitable treatment.
2.2 Scales. The scales shall be of a beam type and have a capacity of 20 kilograms (kg). The scales shall consist of the following components:
a. Main bar with a 1000-gram (g) capacity, marked in 100g increments b. Fractional bar with a 100g capacity marked in 1g increments
c. Tare weigh bar with a 2kg capacity
d. Suspension plate with a means of attaching it to the beam
e. Counterpoise weights: one each 1kg, 5kg, 10kg, and two each 2 kg f. Load platform 27.94 centimeters (11 inches) diameter nominal
Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data that may improve this document should be sent to: STDZNMGT@dla.mil or DLA Aviation VEB,
8000 Jefferson Davis Highway, Richmond, VA 23297-5616. Since contact information can change, you may want to verify the currency of this address information using the ASSIST database at https://assist.daps.dla.mil/.
FSC 6670
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