MIL-DTL-38195D
6.3.3 Temperature and humidity damage. Temperature and humidity damage is defined as corrosion, breakage,
deformation, reduction of insulation resistance below 50,000 ohms, or conditions causing malfunction of any
component or part (see 3.4.4).
6.3.4 Dangerous flexural vibration. Dangerous flexural vibration is defined as a vibration, which occurs at a
speed at which maximum stress in the shaft, from flexural vibration, exceeds 9,000 psi (see 3.4.2.2).
6.3.5 Stable engine operating conditions (frequency). Stable engine operating conditions are the conditions
specified for short-term steady-state performance (see 3.9.3.4).
6.3.6. Rated load. Rated load is rated kW at rated power factor, rated frequency (speed) and rated voltage (see
3.5.4).
6.3.7 Dangerous torsional critical speed. Dangerous torsional critical speed is defined as the speed at which
maximum vibrating stress in the shaft from torsional vibration exceeds 5,000 psi (see 3.4.2.2).
6.3.8 Rough handling damage. Rough handling damage is defined as deformation, loosening, breakage, change
of fit of any component or part, or any condition resulting in malfunctioning of the set (see 3.4.3.1).
6.3.9 Normal railroad transportation. Normal railroad transportation will be interpreted to mean humping
speeds up to and including 10 miles per hour (mph) (see 3.4.3.1).
6.3.10 Normal truck or trailer transportation. Normal truck or trailer transportation is defined as the conditions
encountered during four cycles of a road endurance test, each cycle consisting of the following, with the set mounted
on a suitable Army truck or trailer (see 3.4.3.1):
Road Condition
Distance (miles)
Speed (mph)
250
up to 50
Paved highway
up to 20
Level cross-country
250
125
up to 20
Hilly cross-country
up to 20
Belgian block
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6.3.11 Normal aircraft and helicopter transportation. Normal aircraft and helicopter transportation will be
interpreted to mean a 12-inch drop (see 3.4.3.1).
6.3.12 Meter accuracy. Meter accuracy (see 4.6) is a number, which defines the limit of error expressed as a
percentage of full-scale value. Error is the difference between the indication and the true value of the quantity
measure. It is the quantity which, when algebraically subtracted from the indication, gives the true value. A positive
error denotes that the indication of the meter is greater than the true value (see 3.10.3.1).
6.3.13 Failure. Failure is defined as the inability of the set(s) to meet the requirements herein. A failure
classification board will be established by the contracting officer to identify and classify all failures (see 4.4.1.2).
6.3.14 Inspection. The examination and testing of supplies or services including, when appropriate, raw
materials, components, and intermediate assemblies to determine conformance with contract requirements (see 3.1).
6.4 First article. Any changes or deviations of production sets from the approved first article or drawings during
the production will be subject to the approval of the contracting officer. Approval of the first article will not relieve
the contractor of his obligation to furnish sets conforming to this specification (see 3.1).
6.5 Changes from previous issue. Marginal notations are not used in this revision to identify changes with
respect to the previous issue due to the extent of the changes.
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