MIL-DTL-50647B
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are classified as follows:
a. First article inspection (see 4.4)
b. Quality conformance inspection (see 4.5)
4.1.1 Quality assurance terms and definitions. Reference shall be made to ANSI/ISO/ASQ A8402 to
define the quality assurance terms used.
4.2 Inspections. Inspections shall be in accordance with MIL-A-2550 and ASTM E1742.
4.3 Inspection conditions. Unless otherwise specified in the contract or purchase order (see 6.2),
inspection conditions shall be as follows:
Temperature: Room ambient 20° to 25° C (68° to 77° F)
a.
b.
Altitude: Sea level
c.
Humidity: 50 percent relative, maximum
d.
Atmospheric: 14.7 psia
4.4 First article inspection. At the beginning of regular production, the contractor shall submit a first
article sample to a Government approved facility for evaluation. The sample shall consist of 21
assembled cartridges for ballistics testing including 12 for vibration tests, 5 assembled cartridges for
sealant tests, 10 sets of unassembled components for dimensional and visual examination, and the
quantity specified in accordance with 4.4.2, i.e., cartridges assembled without the igniter and propellant
charge for ignition device sensitivity test. The first article sample shall be manufactured using the same
materials, equipment, processes, and procedures as used in regular production. All parts and materials,
including packaging and packing, shall be the same as used for regular production and shall be obtained
from the same source of supply. When it becomes necessary to make a change in either the ignition
device, propellant, or igniter lot after initial production, 12 assembled cartridges from the first production
lot thereafter shall be tested in accordance with 4.7.7. The Government reserves the right to require new
first article samples until such time as an acceptable sample is submitted (see 6.3).
4.4.1 Examination, tests, and facility. After provisional acceptance at source, the sample shall be
inspected for all requirements of the drawings and specifications at a Government laboratory or other
such facility specified in the contract (see 6.2).
4.4.2 Sample size for ignition device sensitivity. The number of cartridges assembled without igniter or
propellant to be submitted for ignition device sensitivity tests shall be in accordance with table II.
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