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BS SP 11:1949+A2:2009
M00000539
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BS SP 11:1949+A2:2009 Specification for washers for aircraft purposes. (primarily for facing purposes)
standard by BSI Group, 02/10/1949
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Full Description
Cross References:
BS S 526
BS S 527
Incorporates the following:
PD 2573 published 06 September 1956
Amendment, June 2009. Amends and replaces BS SP 10 and 11:1949 which remain current