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.)