MIL-DTL-60553D
3.6.1 Ignition device sensitivity. The ignition device shall fire when drop tested at an energy level of 26
inch-ounces in a sectioned cartridge void of igniter and propellant charge (see 4.7.7.1).
3.6.2 Cartridge performance.
3.6.2.1 Misfires. The cartridge shall not fail to fire.
3.6.2.2 Ballistics. The cartridge, when tested in a closed bomb (Drawing 5185050), shall produce the
pressures, delay times (see 6.6.1), and times to Pmax (see 6.6.2) at temperatures specified in table I (see
4.7.7.2).
TABLE I. Ballistic requirements.
Pressure (psig)
Temperature
Delay time
Time to P
(°F)
(ms)
(ms)
Lower
Upper
-60 to -70
350 ± 100
2000
2700
12
300 ± 50
65 to 75
2000
2700
12
250 ± 100
195 to 205
2000
2700
12
3.7 Workmanship. Cartridges shall be free of cracks, splits, or other defects which might prevent proper
mating with connecting parts or proper functioning of the device.
3.7.1 Metal defects. All components shall be free from cracks, splits, cold shuts, inclusions, porosity, or
any similar defect.
3.7.2 Burr. No part shall have a burr which might interfere with the assembly or function of the item or
which might be injurious to personnel handling the item.
3.7.3 Foreign matter. No part or assembly shall contain chips, dirt, grease, rust, corrosion, or other
foreign matter.
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)
4.2 Quality assurance terms and definitions. Reference shall be made to ANSI/ASQ A8402 to define
the quality assurance terms used.
4.3 Inspections. Inspections shall be in accordance with MIL-A-2550 and ASTM E1742.
4.3.1 Inspection conditions. Unless otherwise specified in the contract or purchase order (see 6.2),
inspection conditions shall be as follows:
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