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|  MIL-R-81202D(AS)
activity of any changes in the design and construction after the receiver
assembly has been accepted by the procuring activity. The receiver assembly
shall consist of the following components:
3.3.1 Nitrogen receiver. The nitrogen receiver shall be in accordance with
the requirements stipulated herein.
3.3.2 Gas pressure indicator.
The gas pressure indicator shall be in
accordance with MIL-I-23252.
3.3.3 Charging valve.
The charging valve shall be in accordance with
MIL-V-85033.
3.3.4 Gas pressure relief valve.
The gas pressure relief valve shall be in
accordance with MIL-V-23255.
3.3.5 Seal valve.
The seal valve shall be in accordance with MIL-V-23256.
3.3.6 Filter cartridge assembly. The filter cartridge assembly shall be in
accordance with the applicable requirements of MIL-V-23256.
3.3.7 Materials. Materials shall be selected on the basis of strength,
workability and compatibility with other materials in the item so as to mini-
mize galvanic action, corrosion, etc.
3.4 Interchangeability. All parts having the same part number shall be
functionally and dimensionally interchangeable. Changes in part numbers shall
be governed by drawing number requirements of DOD-D-1OOO.
3.5 Identification of parts. All parts shall be marked as specified on DL
58A164D556, or in accordance with MIL-STD-130 if not specified on the drawing.
3.6 Nitrogen supply gas. The gas used in the receiver assembly shall be in
accordance with BB-N-411, Type 1, Class 1, Grade A, except that the maximum
contaminant level shall not exceed the levels shown in Table I.
3.7 Performance. The receiver assembly shall, when assembled in accordance
with the drawings listed on DL 58A164D556, meet the requirements as specified
herein.
3.7.1 Radiological. The nitrogen receiver shall meet the radiological re-
quirements of MIL-R-11468 interpreted in accordance with MIL-STD-453.
3.7.2 Permanent volumetric expansion. The percentage of permanent volumet-
ric expansion shall not exceed five percent of the total volumetric expansion,
after the nitrogen receiver has been pressurized hydrostatically to 5500 100
pounds per square inch gage (psig).
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