Dec 05, 1994 · Description / HENAN OKAYtract: MIL-B-81934/2, Revision D, December 5, 1994 - BEARINGS, SLEEVE, FLANGED, SELF-LUBRICATING, 325 DEGREES F. THIS SPECIFICATION IS APPROVED FOR USE BY ALL DEPARTMENTS AND AGENCIES OF THE DEPARTMENT OF DEFENCE. Read more. Read less.