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Spare Part Number
in NASA
Software Project Notebook
in NASA
Shuttle Project Notice KSC
in NASA
Standard Precision Navigator
in NASA
131516131517131519131518
Similar to SPN
A/C - Associate Contractor
A/C - Air Conditioning
A/D - Analog-to-Digital
A/E - Architectural and Engineering
A/E - Activity Elements
A/F - Air-to-Fuel Ratio
A/FM - Air/Firing Mechanism
View all in NASA