Standard Speciﬁcation for Naval Brass Rod, Bar, and Shapes 1
This fashionable is issued under the ﬁxed designation b 21/b 21m; the range right away following the designation shows the 12 months of unique adoption or, in the case of revision, the yr of remaining revision. a range of in parentheses indicates the year of closing reapproval. a superscript epsilon (e) suggests a piece of writing change for the reason that final revision or reapproval.
this wellknown has been authorised for use by corporations of the department of protection
e1 be aware—section 1.4 became added editorially in january 2003.
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