MIL-B-5687D (NOTICE 4), MILITARY SPECIFICATION: BEARINGS, SLEEVE, WASHERS, THRUST, SINTERED, METAL POWDER, OIL-IMPREGNATED, GENERAL SPECIFICATION (19-NOV-2008) [S/S by ASTM-B438 and ASTM-B439]

MIL-B-5687D (NOTICE 4), MILITARY SPECIFICATION: BEARINGS, SLEEVE, WASHERS, THRUST, SINTERED, METAL POWDER, OIL-IMPREGNATED, GENERAL SPECIFICATION (19-NOV-2008) [S/S by ASTM-B438 and ASTM-B439]., MIL-B-5687D, dated 21 February 1984, is hereby canceled. Future acquisitions for this item may refer to ASTM B 438, �Standard Specification for Bronze-Base Powder Metallurgy (PM) Bearings (Oil Impregnated)�. Future acquisition for iron-based sintered bearings may refer to ASTM B 439, �Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil Impregnated)�. Users are cautioned to evaluate these documents for their particular application before citing them as replacement documents. (Copies of these documents are available online at http://www.astm.org/ or from American Society of Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.)