Standard Specification for
Sintered Bronze Bearings (Oil-Impregnated)1
This standard is issued under the fixed designation B 438/B 438M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
click below Astm B 438/B 438M – 04 pdf free download
click here Astm B 435 – 03 pdf free download
