Parameter
|
Type
|
Description
|
---|---|---|
Data Source
|
Edit Box
|
The data source for the part. For an EPRD part with a merged failure rate, a (Merged Failure Rate) notation appears in this field. Additionally, in the System Tree Items table and Parts Table, (Merged FR) appears for Part Number. For a merged failure rate, if the merged parts have different quality levels, no level is set for Quality. If, however, all merged parts do have the same quality level, then this level is shown for Quality.
|
Failure Rate
|
Real
|
The failure rate for the part per one million calendar hours.
|
Subtype 1
|
Edit Box
|
The subtype for the part.
|
Subtype 2
|
Edit Box
|
The next lower-level subtype for the part.
|
Quality
|
Choice List
|
The type of quality used in the manufacturing of the part. Choices are:
• Commercial- The part is of commercial quality.
• Military- The part is procured in accordance with military specifications.
• Unknown- The quality level of the part is unknown.
|
Environment
|
Choice List
|
The type of surroundings in which the part is to operate in the field. The many choices available are basically those for the PRISM and 217 Plus models. For more information, see 217 Plus Parts Stress and PRISM Environments.
|
Hermeticity
|
Choice List
|
The type of seal. A value is entered in this field only for a part with a seal. Choices are:
• H- When selected, the type is Hermetic.
• N- When selected, the type is Nonhermetic
• U- When selected, the type is Unknown.
|
Failures
|
Integer
|
The number of failures recorded during the recording time indicated in the data source.
|
Hours
|
Real
|
The number of operating hours recorded for the part in the data source.
|