NASA NTRS · 19680000417
Hand-tightened, high-pressure seal
Abstract
To provide flared tubing and hose connections for high-pressure hand tightened cryogenic service, a 1/4-inch male AN seal was modified by machining to receive a special, double-truncated-cone-shaped Kel-F washer between it and the flared flex hose connector.
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Meyer, W. A.. 1968-12-01. Hand-tightened, high-pressure seal. https://ntrs.nasa.gov/citations/19680000417
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