21 June 1991
COMMERCIAL ITEM DESCRIPTION
DRAIN, FLOOR CAST-IRON
The General Services Administration has authorized the use of this commercial item
description as a replacement for Military Specification MIL-D-3156C.
This description covers two sizes of flush-type cast-iron floor drains with
slotted style open grate.
r a f t eristics:
The drain shall consist of two matching cast-iron parts, the
open slotted grate, and the body, secured together with machine screws,
designed to receive and convey run-off water or other liquid from
The body shall be suitable for
building floors to the drainage system.
securing to structure such as wood.
The floor drains shall be of the following types.
T y p e I - 6 inches square with a 2 inch outlet connection size
Type II - 9 inches square with a 4 inch outlet connection
The commercial item description part number for the cast-
iron floor drain shall be as follows:
CID identification number
Beneficial comments, recommendations, additions, deletions, clarifications,
etc. and other data which may improve this document should be sent by letter
Commander, U.S. Army Belvoir Research, Development and Engineering
STRBE-TSE, Fort Belvoir, VA 22060-5606.
DISTRIBUTION STATEMENT A.
Approved for public release; distribution is
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