NASA NTRS · 19850000229
Low-Temperature Seal for Actuator Rod
Abstract
Combination bearing and seal used on Space Shuttle functions reliably at temperatures as low as - 160 degrees F and as high as + 130 degrees F. Corrosion-resistant stainless-steel spacer separates secondary and primary seals in both old and new versions of seal assembly. In new version, combination of flexible sealing lip and bridge is less susceptible to cracking at low temperatures.
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Lindfors, R. J.. 1985-10-01. Low-Temperature Seal for Actuator Rod. https://ntrs.nasa.gov/citations/19850000229
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