A-A-2765 Pencil, Mechanical For 1/1 Mm Lead Size (S/S By A-A-2908)This description covers mechanical pencils which accommodate 1.1 mm, lead size.

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[METRIC]

A-A-2765

December 2, 1991

COMMERCIAL ITEM DESCRIPTION

PENCIL, MECHANICAL

FOR 1.1 MM LEAD SIZE

The General Services Administration has authorized the use of this commercial item description, for the use of all federal agencies.

This description covers mechanical pencils which accommodate 1.1 mm, lead size.

I. Salient Characteristics:

A. Mechanical pencils shall consist of a barrel which contains a lead holding (clutch) mechanism and chamber and spare lead chamber, pocket clip, replaceable eraser.

B. Mechanical pencil shall operate by push button action to propel the lead in short, uniform increments to a usable length from the point, and shall operate smoothly and easily, without binding, bending, breaking or other malfunction.

C. Lead holding mechanism (clutch) shall grip the lead firmly, without breaking, so that lead does not turn or slip into or out of the pencil. The pencil shall be capable of dispensing the specified 1.1 mm. lead.

D. Lead shall not fall free from the mechanical pencil when the push button is depressed such that the lead when reduced to a length of as small as 16 mm will continue to be retained in the mechanical pencil.

E. Spare lead shall feed automatically as the lead is used. Each pencil shall be furnished with a minimum of three leads of H or HB hardness. The leads shall be 100 mm +/- 2 mm.

F. Erasers shall be made in accordance with Commercial Item Description A-A-132 and shall be a pencil type suitable for cleanly erasing lead markings without crumbling or breaking.