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|  MIL-I-23145B
4.4. 1.1.1 Piercing pins. An inspection lot size shall be expressed in units
one piercing pin, unfinished (without cadmium plating), for one type of inflatio.
assembly, made essentially under the same conditions and from the same materials
The sample unit shall be one piercing pin, unfinished (without cadmium plating),
representing one type of inflation assembly.
4.4. 1.1.2 Inflation assemblies. An inspection lot size shall be expressed in
units of one inflation assembly of one type made essentially under the same con-
ditions and from the same materials and components. The sample unit shall be one
inflation assembly of one type.
4.4.1. 1.3 Packaging, An inspection lot size shall be expressed in units of one
fully prepared shipping container, containing inflation assemblies of one type,
fully prepared for delivery from essentially the same materials and components. The
sample unit shall be one shipping container, containing inflation assemblies of one
type, fully prepared for delivery except that it need not be sealed.
4.4.1.2 Sampling for examinations and tests of the inflation assemblies and
packaging. The sample size, acceptance criteria, examinations and tests required
for the inflation assemblies and packaging shall be as specified in table
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II.
4.5 Inspection conditions.
4.5.1 Atmospheric conditions. Unless otherwise specified, all the inspections
set forth by this specification shall be conducted at an atmos heric pressure of 28
g
to 32 inches of mercury and at a temperature of 25 + 10C (77 + 18F).
4.5.1.1 Inflation assembly. When the inflation assemblies are inspected at
atmospheric pressures or temperatures other than specified in 4.5.1, proper cor-
rections shall be made for the change in instrument readings,
4.5.1.2 Lanyard assemblies. The lanyard assemblies shall be inspected under
standard atmospheric conditions of a temperature of 21 + 2c (70 + 2F) and a
relative humidity of 65 + 2 percent.
4.5.2 Moisture equilibrium. Moisture equilibrium is considered to have been
reached when, after free exposure of the material to air in motion controlled at
standard atmospheric conditions as defined in 4.5.1.2, and change in weight in
successive weighings made at intervals of 1 hour is no greater than 0.25 percent.
4.5.3 Installation of cylinders.
4.5.3.1 Carbon dioxide filled cylinders. When use of a carbon dioxide filled
cylinder is specified in an inspection, the filled carbon dioxide cylinder shall
conform to MIL-C-601 or MIL-C-23569 (type 11 or III) and shall be charged with
carbon dioxide conforming to BB-C-101, grade B, type 1. The cylinder shall be
installed in the inflation assembly, by hand tightening, and shall not make contact
with the point of the piercing pin.
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