MATERIAL: BERYLLIUM COPPER AMS 4532

HARDNESS: ROCKWELL 15N-79-82 (Precipitation Treated)

LUG SLOTS MUST NOT BREAK THRU INNER OR OUTER CONTOUR

BREAK SHARP EDGES .005 MAX.

DIMENSIONS IN INCHES, UNLESS OTHERWISE SPECIFIED: TOLERANCES; ANGULAR DIMENSIONS ± 2°

WITH ALLOWANCE FOR INITIAL SET, MINIMUM DIAMETRAL EXPANSION WITHOUT PERMANENT SET SHALL BE 18% OF FREE RING DIAMETER A.

MINIMUM DIAMETRAL EXPANSION WITHOUT FAILURE BY CRACKING SHALL BE 21% OF FREE DIAMETER A.

DO NOT USE UNASSIGNED PART NUMBERS.

[A circled]INACTIVE FOR DESIGN AFTER 13 JUNE 1960.

NO SUPERSEDING MS STANDARD

For definition and application of drawing status notes, see ANA Bulletin No. 337

See also MS16624

THIS STANDARD WAS DEVELOPED COOPERATIVELY WITH THE ENGINE AND PROPELLER UTILITY PARTS COMMITTEE OF THE SAE NOTICE: When Government drawings, specifications, or other data are used for any purpose other than in connection with a definitely related Government procurement operation, the United States Government thereby incurs no responsibility nor any obligation whatsoever; and the fact that the Government may have formulated, furnished, or in any way supplied the said drawings, specifications, or other data is not to be regarded by implication or otherwise as in any manner licensing the holder or any other person or corporation, or conveying any rights or permission to manufacture, use or sell any patented invention that may in any way be related thereto.