Standard Speciﬁcation for Steel Wire, Cold-Drawn for Mechanical Springs1
This widespread is issued beneath the ﬁxed designation a 227/a 227m; the variety right away following the designation shows the 12 months of authentic adoption or, inside the case of revision, the 12 months of remaining revision. a number of in parentheses indicates the year of closing reapproval. a superscript epsilon (e) suggests an article trade for the reason that ultimate revision or reapproval.
This preferred has been permitted to be used through companies of the branch of defense
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