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NASA - MSFC-STD-3620

MSFC Electrical, Electronic, and Electromechanical (EEE) Parts Obsolescence Management and Control Requirements

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Organization: NASA
Publication Date: 13 November 2012
Status: active
Page Count: 22
scope:

The scope is to establish a parts obsolescence control document for use by MSFC programs and projects as a method of meeting Requirement 59092 of NPD 8730.2.

This document implements the requirements of NPD 8730.2 and MSFC-STD-3012 for parts obsolescence based on the guidelines of the Department of Defense SD-22, Diminishing Manufacturing Sources and Material Shortages (DMSMS) Guidebook.

The document standardizes practices to:

a. Establish a proactive approach to obsolescence management.

b. Forecast and monitor MSFC projects for EEE parts obsolescence risk.

c. Identify obsolescence risk mitigation strategies.

d. Report obsolescence impacts to MSFC projects.

Applicability

This document applies to flight hardware, critical ground support equipment (GSE), and critical ground test systems used in Category 1 and Category 2 projects as defined by NPR 7120.5, NASA Space Flight Program and Project Management Requirements, and/or Class A, B, or C payloads as defined in Appendix A of NPR 8705.4, Risk Classification for NASA Payloads. This document outlines procedures to be employed for risk assessment actions to mitigate EEE parts obsolescence impacts to MSFC projects.

Some flight projects have short product life cycles and are not exposed to high risk of parts obsolescence impact. However, EEE parts should be evaluated for availability issues to ensure life expectancy exceeds system design and production milestones. This process guarantees selected parts are available beyond initial system design and procurable for production. Performing a parts obsolescence assessment reduces cost, schedule and technical risk to hardware production of these flight projects.

Projects with extended product life cycles and those that plan to utilize heritage hardware are exposed to high risk of parts obsolescence impact. To mitigate this risk, EEE parts will be assessed prior to selection to ensure part availability meets or exceeds production milestones and mission duration. In addition, parts will be monitored throughout the system life cycle to identify and mitigate obsolescence issues before they occur. In the event a system is retained in service beyond its original life expectancy, spare parts will be required for repairs and maintenance operations. Obsolescence monitoring provides notification of part discontinuance to allow projects sufficient time for procurement of spares.

Document History

MSFC-STD-3620
November 13, 2012
MSFC Electrical, Electronic, and Electromechanical (EEE) Parts Obsolescence Management and Control Requirements
The scope is to establish a parts obsolescence control document for use by MSFC programs and projects as a method of meeting Requirement 59092 of NPD 8730.2. This document implements the...

References

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