A impulse cartridge \(see 6.1\).

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MIL-DTL-82884A

3.5.2 Radiographic. Cartridges shall be free of imperfections in components or assembly as verified by

radiographic examination in accordance with 4.5.6.

3.5.3 Environmental. The cartridges shall not incur damage or degradation during the environmental tests (drop,

cycling, and shock and vibration tests) prescribed in 4.3.2.

3.6 Ballistic requirements. Cartridges shall be meet the requirements listed in 3.6.1 through 3.6.5 when

subjected to the test prescribed in 4.5.7.

3.6.1 Peak pressure. The cartridge shall deliver peak pressure of not less than 4200 pounds per square inch (psi)

nor greater than 6600 psi over the temperature range from 65 F to +200 F.

3.6.2 Time to peak pressure. The time from start of pressure rise to peak pressure shall be not less than 0.095

second nor greater than 0.220 second over the temperature range from 65 F to +200 F.

3.6.3 Ignition delay. The time between initial firing pin movement and the first indication of continuous pressure

rise in the test fixture chamber shall not exceed 10 milliseconds (ms) over the temperature range of 65 F to

+200 F.

3.6.4 Shear pressure. The firing pin shear pressure limits over the temperature range from 65 F to +200 F

shall be not less than 400 psi nor greater than 600 psi.

3.6.5 Misfire. There shall be no misfire (see 4.5.7.1.1).

3.7 Workmanship. Cartridges shall be constructed and finished in a manner to assure compliance with all

requirements of this specification. Cartridges shall be free of the following defects: Burrs, dents, deep scratches,

split or cracked edges, damage to closure cup, sharp edges, defective sealant applications around the crimped and

ignition device areas, and all other defects which may prevent entry of the cartridges into the firing chamber or

adversely affect ballistic performance. All cartridge identification markings shall be verified as proper (see 4.5.4).

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. Quality conformance inspection (see 4.4).

4.2 Classification of characteristics. The characteristics verified by the tests and examination herein are

classified as critical, major, or minor in accordance with DOD-STD-2101. Tests and examinations that verify

critical characteristics are identified by the symbol (C) and major characteristics by the symbol (M). The number

following the classification symbol indicates the serial number of test or examination. Tests and examinations

which are not annotated with a classification code are classified minor.

4.3 First article inspection. First article inspection shall be performed after award of contract and prior to

production by a facility designated in the contract (see 6.2). A first article sample acceptable for environmental

and function testing shall be considered as a sample which has met the requirements of 3.2 through 3.4.2.3 and

3.7. First article inspection shall be performed on sample units which have been produced using the same

materials, equipment, processes, and procedures as will be used in regular production. All parts and materials