obturator spindle
obturator spindle
[′äb·tə‚rād·ər ′spind·əl] (ordnance)
Part of the breechblock assembly of a gun which fires separate-loading ammunition; it extends through the breechblock and holds in position the various parts of the obturator, while permitting the breechblock to rotate independently about these parts.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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