1、 MS9287A AMENDMENT 1 8 JULY 2003 MILITARY STANDARD BOLT, MACHINE-STEEL AMS 6322, BLACK OXIDE, HEXAGON HEAD, .4375-20 UNJF-3A This amendment forms a part of MS9287A, date d 26 OCTOBER 1972, and is approved for use by all Departments and Agencies of the Department of Defense. PAGE 1 Bolt illustration
2、view at the right: Delete “MIL-S-8879” from “.4375-20 UNJF-3A SPEC MIL-S-8879” and substitute “AS8879”. For view A enlarged view: Add “(SEE NOTE 15)” after “.648 DIA MIN BEARING SURFACE”. Add the word “NOTES:” above note 1. Note 9: Delete “AMS 7452” and substitute “”AS7452”. Note 11: Delete “AS291”
3、and substitute “ASME B46.1”. Add new note: “15. BEARING SURFACE: BEARING SURFACE SHALL BE FLAT AND WASHER FACED. DIAMETER OF BEARING SURFACE SHALL BE EQUAL TO THE MAXIMUM WIDTH ACROSS FLATS WITHIN A TOLERANCE OF MINUS 10% IN ACCORDANCE WITH ASME B18.2.1.” Custodians: Preparing Activity: Navy - AS DLA-IS DLA - IS (Project 5306-2709) AMSC N/A FSC 5306 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-