scope:

This military standard is approved for use by all Departments and Agencies of the Department of Defense. Selection for all new engineering and design application and for repetitive use shall be made from this document.

[A circled]MATERIAL: EXTRUCTION 248 ALUMINUM ALLOY SPECIFICATION QQ-A-300/3 TEMPER T4 OR TEMPER T4 ARTIFICIALLY AGED. FORGING 148 ALUMINUM ALLOY SPECIFICATION QQ-A-367 COMPOSITION 5 TEMPER T6.

FINISH: SEE PROCUREMENT SPECIFICATION.

ALL MACHINED SURFACES FINISHED TO 250 R.M.S. MAX. EXCEPT AS NOTED.

FITTINGS SHALL BE FREE FROM ALL HANGING BURRS AND SLIVERS WHICH MIGHT BECOME DISLODGED UNDER USAGE.

DIMENSIONS IN INCHES: UNLESS OTHERWISE SPECIFIED. TOLERANCES: DECIMALS ±.010, ANGLES ±½°.

INSTALL PER MS21831

[A circled]FOR DESIGN FEATURE PURPOSES, THIS STANDARD TAKES PRECEDENCE OVER PROCUREMENT DOCUMENTS REFERENCED HEREIN. REFERENCED DOCUMENTS SHALL BE OF THE ISSUE IN EFFECT ON DATE OF INVITATIONS FOR BID.