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

MATERIAL: STEEL AMS 5024 FOR SIZES -01 THRU -07; ALUMINUM AMS 4120 FOR SIZES -08 AND UP.

FINISH: STEEL, CADMIUM PLATE AMS 2400; ALUMINUM, ANODIC TREATMENT AMS 2470. DO NOT DYE.

SURFACE ROUGHNESS: AS 291; 125 NICKEL [1 omitted word(s)] UNLESS OTHERWISE SPECIFIED.

BREAK SHARP EDGES .003 - .015 UNLESS OTHERWISE SPECIFIED.

DIMENSIONS IN INCHES. UNLESS OTHERWISE SPECIFIED: TOLERANCES: LINEAR DIMENSIONS ± .010, ANGULAR DIMENSIONS ±2°.

DO NOT USE UNASSIGNED PART NUMBERS.

THIS STANDARD WAS DEVELOPED COOPERATIVELY WITH THE ENGINE AND PROPELLER UTILITY PARTS COMMITTEE OF THE SAE.