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|  MIL-R-85523A(AS)
4.8.16 Ozone-resistance. The three elastomer test slabs submitted for
qualification inspection shall be tested for ozone-resistance. The test
apparatus shall be in accordance with ASTM D 1149-91. The test slabs shall be
elongated 20 percent, placed in an ozone-free atmosphere for 24 hours, then
placed in the ozone chamber. The chamber shall be adjusted to 100 2F and to
give an exposure of ozone concentration of 120 10 parts by volume of ozone per
million parts by volume of air. The air-ozone velocity in the chamber shall be
at least 2 feet per second. The material shall be exposed to these conditions
for 60 minutes. The test slabs shall be examined under a 10X magnification and
pass the requirements specified in 3.6.16.
4.8.17 Oxygen regulator purge. The regulator shall be connected to a
regulated source of oxygen (4.7.1). An inlet pressure of 120 psig shall be
applied and the regulator shall free flow for 1 to 3 minutes. The regulator
shall pass the requirements of 3.6.17.
4.8.18 Inlet fitting. The inlet fitting of the regulator shall be removed
to examine the inlet filter. The inlet fitting shall be reinstalled on the
regulator. The regulator shall pass the requirements of 3.6.18.
5.
PACKAGING
5.1 Preservation. Unless otherwise specified in the contract or order,
preservation shall be Level A, using Method IIb of MIL-P-116, with one regulator
per unit package (see 6.2.1f). Preservatives shall not be used. All openings in
the regulator shall be closed with suitable closure to prevent entry of dirt or
foreign matter during shipment and storage.
5.2 Packing. Packing shall be Level A, B, or C, as specified in the
contract or order (see 6.2.1f).
5.2.1 Level A. Each unit, packaged as specified in 5.1, shall be packed for
shipment in containers conforming to PPP-B-601 or PPP-B-621, Overseas Type.
5.2.2 Level B. Each unit, packaged as specified in 5.1, shall be packed for
shipment in containers conforming to PPP-B-601 or PPP-B-621, Domestic Type;
fiberboard boxes conforming to PPP-B-636 or PPP-B-640, Weather Resistant may be
used provided that the gross weight is not greater than the applicable
specification limitation.
5.2.3 Level C. Units, preserved as specified in 5.1, shall be packed for
shipment in exterior type shipping containers conforming to rules and regulations
pertaining to mode of transportation and acceptable to carrier at the lowest
possible tariff rate that shall ensure safe delivery. Contractor's
commercial/industrial packing procedure may be used when the above criteria are
met.
5.3 Marking. The exterior and interior containers shall be marked in
accordance with MIL-STD-129. In addition, the following precautionary marking
shall be required on each unit package and shipping container:
CAUTION
DO NOT ALLOW PETROLEUM CONTAMINANTS OF ANY
KIND TO BE USED/STORED ON OR ABOUT THESE CONTAINERS.
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