SF has various meanings in the NASA category. Discover the full forms, definitions, and usage contexts of SF in NASA.
The ratio of burst pressure to rated pressure under specific static pressure and temperature conditions. Providing strength beyond that needed, as an extra margin of insurance against part failure. The time added to a shipping estimate to account for unforeseen circumstances. For example, one day might be added to a delivery date to account for the possibility of encountering bad weather.
NASAAlso called map scale, map factor. The ratio between the distance separating two points on a map of the earth's surface at a standard latitude and the distance between the corresponding points on the earth's surface itself.
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