MIL-DTL-22653D(OS)
exposed to the atmosphere shall be performed only under conditions that do not permit the relative
humidity to exceed 75 percent.
3.9.3 Smokeless powder, condition. The smokeless powder used shall exhibit no evidence of
decomposition (see 4.5.2).
3.10 Cartridge requirements.
3.10.1 Bridgewire resistance. The resistance of the bridge circuit in each completely assembled
cartridge, when measured electrically (see 4.5.4), shall be not less than 0.08 ohm nor more than 0.14
ohm.
3.10.2 Leakage. Cartridge leakage rate shall be not greater than 10-5 cubic centimeters of air per second
(see 4.5.5).
3.10.3 Radiographic examination. Cartridges shall be free of imperfections when in components or
assembly as verified by radiographic examination of all first article and production test samples (see
4.5.6).
3.11 Ballistic requirements. Cartridges shall meet the ballistic requirements specified in 3.11.1
through 3.11.3 when subjected to the test prescribed in 4.5.7.
3.11.1 Chamber pressure. The upper (U) and lower (L) limits of maximum pressure in pounds per
square inch shall be 2400 and 1550, respectively.
3.11.2 Misfire. There shall be no misfires (see 4.5.7.2).
3.11.3 Hangfire. There shall be no hangfires (see 4.5.7.3).
3.12 Change in propellant lot. Whenever a change occurs in the propellant lot for the main charge, test
firings shall be conducted in accordance with 4.8. No cartridge shall produce results outside the limits
specified in 3.11.1 and no cartridge shall fail to meet the requirements of 3.11.2 or 3.11.3.
3.13 Visual inspection. Cartridges shall be free of the following defects: burrs, dents, incomplete or
damaged threads, missing or damaged O-ring, perforated closure disc, or other defects which may
prevent entry of the cartridge into the firing chamber, or affect the resistance of the cartridge to moisture.
All cartridge marking and identification shall be verified as proper (see 4.5.3).
4. QUALITY ASSURANCE PROVISIONS
4.1 Classification of inspections. The inspection requirements specified herein are classified as
follows:
a. First article inspection (see 4.3)
b. Conformance inspection (see 4.4).
4.2 Inspection conditions. Unless otherwise specified (see 6.2), all inspections shall be performed as
specified in the applicable test method of 4.5.
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