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|  MIL-W-16642D(SH)
3.2 Component parts. Each boiler-water testing outfit shall consist
of the following:
One cabinet.
Three l-liter (L) reagent bottles.
Three automatic-zero burets, 10-milliliter (mL) capacity.
Three aspirator-bulb assemblies for filling burets.
One 340-mL white porcelain casserole.
One 100-mL graduated cylinder.
One 60-mL dropping TK - bottle for phenolphthalein indicator.
One 60-mL dropping TK - bottle for methyl purple indicator.
One 60-mL dropping TK - bottle for chloride indicator.
Six stirring rods.
One collapsible tube of stopcock lubricant.
One 8-ounce square bottle.
The
3.2.1 Cabinet. The cabinet shall be as shown in Figure 1.
case shall be made of cold rolled steel sheet at least 0.035 inch in
The edges of
thickness conforming to commercial quality of ASTM A 611.
the body shall be turned over and all corners shall be brazed or welded.
The door shall be made of cold rolled steel sheet at least 0.035 inch in
thickness conforming to commercial quality of ASTM A 611 or equivalent.
The edges of the door shall have a double turn-over.
3.2.1.1 Door fittings. The door shall be carried on at least two
suitable plain steel hinges and arranged with a stop to permit half-open
and full-open positions.
A combined latch and lock with key shall be pro-
vided.
3.2.1.2 Finish. The interior surfaces shall be prepared for
painting in accordance with type I of TT-C-490.
Painting shall consist
of one coat primer conforming to TT-P-645 and two coats of gray enamel
in accordance with type III, class 2 of MIL-E-15090.
3.2.1.3 Spring clamps. Spring clamps shall be mounted and posi-
tioned as shown on figure 1.
The clamps shall be made of corrosion-
resistant steel or other corrosion-resistant metal, and shall be so shaped
as to firmly grip the removable components of the testing outfit.
3.2.1.4 Casserole ring. The casserole ring shall be fabricated
from one-quarter inch plain steel rod and shall be provided with a pivoted
arrangement to permit folding into the cabinet. The pivoted arrangement
shall lock the ring when in the vertical position.
The circumference of
the ring shall be covered with rubber tubing.
3.2.1.5 Light fixture. The cabinet shall be provided with a light
fixture (regular base) mounted on a metal angle bracket so positioned to
contain either a tubular 40-Watt bulb or a standard 25-Watt incandescent
bulb.
The fixture shall be provided with a "T" rated toggle switch.
The
electrical cord to the lamp fixture shall be rubber or plastic insulated,
at least 6 feet long measured from the exit from the cabinet: shall enter
the cabinet through a rubber grommet, and shall have a standard male plug
at the end outside the cabinet.
3.2.1.6 Rubber mat. A rubber mat shall be snugly fitted and
cemented to the cabinet floor with an acid resistant cement.
3
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