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MIL-DTL-24215 Attenuators, Variable \(Coaxial\), General Specification ForThis specification covers variable continuously and variable in steps attenuators for use as attenuating elements in coaxial lines. These attenuators are used for armed services application in the transmission lines of radar, radio, and associated equipment \(see 6.1\).

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MIL-DTL-24215D

TABLE II. First article inspection.

Examination or test

Requirement paragraph

Method paragraph

3.1, 3.3 through 3.4.9

Visual and mechanical examination

3.6 and 3.7

4.7.1

Operating frequency range

Insertion loss

Voltage standing wave ratio

3.5.2

4.7.2

Dial calibration (when applicable)

3.5.3

4.7.2

Frequency sensitivity

Attenuation range

Backlash

Power capability

Life (rotational)

4.7.4

Shock

Vibration

Salt atmosphere (corrosion)

3.5.12

4.7.7

Thermal shock

3.5.13

4.7.8

Temperature coefficient (when required)

3.5.6

4.7.10

Seal (when required)

3.5.14

4.7.11

Humidity (when required)

Marking

Workmanship

4.6 Conformance inspection.

4.6.1 Inspection of product for delivery. Inspection of product for delivery shall consist of groups A and

4.6.1.1 Inspection lot. An inspection lot shall consist of all the attenuators of the same class and part

number, produced under essentially the same conditions and offered for inspection at one time.