MIL-DTL-60567C
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 M14 delay element covered by this specification shall be
manufactured in accordance with DL8596122 and all documents listed thereon.
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 approva l 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 PVU-1/A Ignition Device, Delay
Charge and the output material 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 (see 6.7).
3.4.1.1 Ignition device. The ignition device shall be furnished from lots manufactured within the
preceding 24 months or recertified within the preceding 12 months. The ignition device shall be
manufactured per Drawing 851AS110 and accepted per WS 21535. Prior to assembly into a delay
element, the ignition device shall be visually examined in accordance with 4.6.5 and radiographically
examined for defects as specified in 4.7.1.
3.4.2 Protective finish. The finish of each component part shall be in accordance with MIL-A-8625 and
the applicable drawing (see 4.7.2).
3.5 Assembly.
3.5.1 Radiographic examination. Each delay element assembly shall be radiographically examined for
defects (see 4.7.3).
3.5.2 Vibration. The assembled delay element shall withstand vibration as prescribed in MIL-STD-810,
Method 514.3, Test Procedure I, Test Condition 1 3.2.5 without evidence of any disintegration of the
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ignition device, propellant, or igniter, or derangement of any component (see 4.7.4 and 6.2).
3.6 Functional requirements.
3.6.1 Delay element performance.
3.6.1.1 Misfires. The ignition delay element shall not fail to fire.
3.6.1.2 Ballistics. The ignition delay charge shall consist of barium chromate, as specified in MIL-B-550,
and boron, as specified in MIL-B-51092, in the proportion and quantity fixed by the contractor to produce
the ignition delay times required in table I (see 6.6.1).
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