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MIL-C-45408C
3. REQUIREMENTS
3.1 First article. When specified in the contract or purchase order, a first article sample shall be
subjected to first article inspection (see 4.4, 6.2, and 6.3).
3.2 Conformance to documents. The M44A1 Impulse Cartridge covered by this specification shall be
manufactured in accordance with DL8593276.
3.3 Materials. All materials used in the manufacture of the cartridges shall conform strictly to the
specifications referred to on the respective drawings unless specific approval in writing covering a departure
therefrom has been obtained from the cognizant Navy design activity prior to manufacture. When alternate
materials or methods of manufacture are specified on the drawings, the bidder's selections shall be clearly
stated in the proposal.
3.4 Components.
3.4.1 Primary components. For the purpose of this specification, the primer, igniter charge and the
cartridge propellant charge are considered primary components. Only primary components from a single lot
shall be used in a production lot of cartridges; however, one primary component production lot may be used
in more than one cartridge production lot.
3.4.1.1 Primer. The primer shall conform to the applicable drawing and reference specification. Prior
to assembly into a cartridge, the primer shall be visually examined in accordance with 4.6.2 and
radiographically examined for defects as specified in 4.7.1.
3.4.2 Hardness. The hardness of each component part shall be in accordance with the applicable drawing
(see 4.7.2).
3.4.3 Protective finish. The finish of each component part shall be in accordance with MIL-A-8625 and
the applicable drawing (see 4.7.3).
3.5 Assembly.
3.5.1 Radiographic examination. Each cartridge assembly shall be radiographically examined for
defects (see 4.7.4).
3.5.2 Airtightness. Each assembled cartridge shall exhibit no air leakage greater than 1 x 10-4 standard
cubic centimeters of air per second at a 14 psia pressure differential (see 4.7.5).
3.5.3 Vibration. The assembled cartridge shall withstand vibration as prescribed in MIL-STD-810,
Method 514.3, Test Procedure I, Test Condition I-3.2.5 without evidence of any disintegration of the primer,
propellant, or igniter, or derangement of any component (see 4.7.7 and 6.2).
3

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